ethylenes乙烯属烃
ethylenen.乙烯
ethylene feedstock乙烯原料
ethylene tar pitch乙烯焦油
ethyleneacetic acid次乙基乙酸
ethylene dichcoride二氯乙烷
ethylenelactic acid[医] 羟丙酸
ethylene anesthesia[医] 乙烯麻醉
Ethylene production乙烯生成量
ethylene combustion乙烯燃烧
ethylene-rich gas富乙烯气体
ethylene bromohyrin[化] 2-溴乙醇