[化学] ethylene; ethene; [有机化学] olefiant gas 短语和例子聚乙烯 polyethylene; polythene乙烯基乙烯: vinylethylene氨乙烯: vinyl chloride苯乙烯: [有机化学] styrene; phenylethene; phenethylene; cinnamol; synachrom bio-beads s; polypak; styrol; styrolene; styrene monomer; vinvlbenzene◇苯乙烯玻璃 polyglass; 苯乙烯绝缘材料 trolit; 苯乙烯树脂 styron; 苯乙烯 (类)塑料 styrene plastics; 苯乙烯塑料材料 trolitul笨乙烯: styrene粗乙烯: crude ethylene下载手机词典可随时随地查词查翻译