polyenen.多烯POLYabbr.聚乙烯(=polyethylene)pref.多的；聚合的polytetrafluoroethylene gasket聚四氟乙烯垫圈polyferrocene - anisaldehyde聚二茂铁-茴香醛polyethylene oxide derivatives低聚苯醚链polythene bag-making machine聚乙烯袋制机polydiethylene glycol sebacate聚癸二酸丁二醇酯poly-alkylbenzene sulfonates多烷基苯磺酸盐polyurethane cationic emulsion阳离子聚氨酯乳液polyurethane synthetic leather聚氨酯合成革poly-m-phenylene sebacamide聚癸二酰间苯二胺polyenergetic neutron radiation多能中子辐射