常见例句Keywords PC Ethylene 1 Octylene Copolymer Alloy; 聚碳酸酯;乙烯-1-辛烯共聚物;合金;octylene glycol 辛二醇n- octylene 正辛烯octylene oxide 氧化辛烯octylene glycol titanate 钛酸辛二醇酯 返回 octylene