acetylene

◎ acetylene是什么意思 n. 乙炔, 电石气[化] 乙炔; 双亚乙基 n. a colorless flammable gas used chiefly in welding and in organic synthesis acetylene的用法和例句： 1. No, I have an in with an acetylene torch. 不 我的门路是 用乙炔喷枪 2. There's hundredpound c...