常見例句雙語例句The process of changing an open-chain hydrocarbon structure to a closed ring, e. g. , hexane to benzene.使開鏈烴結(jié)構(gòu)變成閉環(huán)烴的過程，例如使己烷變成苯。www.infopetro.com.cn 返回 closed-chain hydrocarbon