butyl mercaptan造句
造句与例句手机版
- Most gas odorants utilized currently contain mixtures of mercaptans and sulfides, with " t "-butyl mercaptan as the main odor constituent in natural gas and ethanethiol in liquefied petroleum gas ( LPG, propane ).
- It's difficult to see butyl mercaptan in a sentence. 用butyl mercaptan造句挺难的
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