polyoxyn.聚氧POLYabbr.聚乙烯(=polyethylene)pref.多的；聚合的polymorphicmany-sorted多态多类polybromodiphenyl ethers多溴联苯醚polyvinyl chloride panel聚氯乙烯板polyneuritis puerperalis产褥期多发性神经炎polyamide silk stockings聚酰胺长丝袜polymefizable surfactant可聚合表面活性剂Polybutylene naphthalate聚萘二甲酸丁二醇酯（PBN）polygene breeding method多基因育种方法polydecamethylene formal聚亚癸基甲醛polyhexamethylene formal聚亚己基缩甲醛