n.乙烯
The concentration of ethylene is on the high side. 乙烯濃度偏高。
The plant can produce up to 130 tons of ethylene each month. 這家工廠每月最高能生產(chǎn)一百三十噸的乙烯。
n.亞甲基
n.聚乙烯
n.三氯乙烯
n.全氯乙烯
n.聚甲烯(環(huán)烷烴；聚亞甲基)
