polygrap多导生理记录装置POLYabbr.聚乙烯(=polyethylene)pref.多的；聚合的polyethylene glycol nonylphenyl ether聚乙二醇壬基苯基醚Polymorphonuclear neutrophilleukocyte多形核中性白细胞polyethylene squeeze type wash bottle聚乙烯挤压型洗瓶polyvinyl alcohol cotton blended yarn维棉混纺纱polylactic acid-polyethylene glycol聚乳酸-聚乙二醇polysiloxane quaternary ammonium salt聚硅氧烷季铵盐poly-ferric aluminum silica sulfate聚合硫酸铁铝硅polyaniline-Si/C/N composites聚苯胺与Si/C/N复合粉体Polysaccharides of ginkgo biloba leaf银杏叶多糖polyamideamine epichlorohydrine resin聚酰胺-环氧氯丙烷树脂