ethyleneoxy乙烯氧基ethylenen.乙烯ethylene glycol diacrylate二丙烯酸乙二醇酯ethylene dicarboxylic acid乙二甲酸ethylene propylene monomer[化] 二元乙丙橡胶; 乙丙二元橡胶ethylene rectifying column乙烯精馏塔ethylene cracking material乙烯裂解原料ethylene pyrolysis furnace乙烯裂解炉Ethylenevinyl Acetate film乙烯-乙酸乙烯酯共聚物胶膜ethylene-acrylate rubber乙烯丙烯酸酯橡胶ethylene terpolymerization乙烯三元共聚合ethylene/ethane mixture乙烯，乙烷混合物