polygenn.多种价元素
POLYabbr.聚乙烯(=polyethylene)pref.多的;聚合的
POLYURETHANE RESINS FOR SHOE SOLE鞋底用聚氨酯树脂
polyclonal hypergammaglobulinemia多克隆高球蛋白血症
polymorphic eruption of pregnancy妊娠性多形疹
polyethylene glycol precipitation聚乙二醇沉淀(法), PEG沉淀(法)
polychlorinated organic pollutant多氯代有机污染物
polyethersulfone insulation layer聚醚砜绝缘层
polyurethane water proofing paint聚氨酯防水涂料
polyurethane rubber punch and die聚氨酯橡胶凸凹模
polyvinil chloride insulated wire聚氯乙烯绝缘电线
polycarboxylate surperplasticizer聚羧酸系高性能减水剂