ethyleneoxy乙烯氧基ethylenen.乙烯ethylene diamine dinitrate二硝酸化乙二胺ethylenediamine - propyl乙二胺丙基ethylene glycol dibenzoate乙二醇苯甲酸二酯ethylene glycol dibutyrate乙二醇二丁酸酯Ethylene-methyl acrylate乙烯-丙烯酸甲酯共聚物ethylene glycol antifreeze乙二醇防冻剂ethylene glycol distearate乙二醇双硬脂酸酯ethylene-propylene rubber乙丙橡胶Ethylene separation process乙烯分离工艺ethylene glycol epoxy resin乙二醇环氧树脂