a sweet colorless, viscous, hygroscopic liquid used as an antifreeze and in brake fluid and also as a humectant in cosmetics and personal care items although it can be absorbed through the skin with harmful effects
propanediol的用法和样例:
例句
Researches in propanediol methyl ether synthesis catalysts were reviewed in this paper. 综述了丙二醇甲醚合成催化剂研究的最新进展。