Polyart高密度聚乙烯合成纸(英国 Bakelite-Xylonite 产品, 商业名称)POLYabbr.聚乙烯(=polyethylene)pref.多的；聚合的Polystichum assurgentipinnumn.上斜刀羽耳蕨polyaspartic acid derivative聚天冬氨酸衍生物polyheptamethylene carbonate聚碳酸亚庚基酯polyaerylonitrile waste silk腈纶废丝polyelectrolyte flocculation聚合电解质絮凝polyculture of fish-mussel蚌鱼混养polyethylene glycol azelaate[化] 聚壬二酸乙二醇酯polyster fibre sewing thread涤纶缝纫线poly-metallic sulphide ore多金属硫化矿polyheptamethylene succinate聚丁二酸亚庚基酯