电子烟油pg作用

好,用户让我写一篇关于电子烟油PG作用的文章，先写标题，再写内容，内容不少于1363个字，我需要明确PG在电子烟油中的作用是什么，PG，也就是丙二醇，是一种常见的溶剂，同时也是 additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive 好，用户让我写一篇关于电子烟油PG作用的文章，先写标题，再写内容，内容不少于1363个字，我需要明确PG在电子烟油中的作用是什么，PG，也就是丙二醇，是一种常见的溶剂，同时也是 additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive 好，用户让我写一篇关于电子烟油PG作用的文章，先写标题，再写内容，内容不少于1363个字，我需要明确PG在电子烟油中的作用是什么，PG，也就是丙二醇，是一种常见的溶剂，同时也是 additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive 好，用户让我写一篇关于电子烟油PG作用的文章，先写标题，再写内容，内容不少于1363个字，我需要明确PG在电子烟油中的作用是什么，PG，也就是丙二醇，是一种常见的溶剂，同时也是 additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive additive