polybagn.塑料袋；尤指包装杂志用的塑料袋POLYabbr.聚乙烯(=polyethylene)pref.多的；聚合的polyvalent allosteric inhibition多价变构抑制polymetallic mineralization belt多金属成矿带polyethylence terephthalate base聚乙烯对苯二甲酸酯片基polyorganosilicate graft polymer聚有机硅酸盐接枝聚合物polyethylene glycol monalkanoate聚乙二醇单烷酸酯polynuclear aromatic hydrocarbon多核芳香烃poly high frequency therapy unit多用高频治疗机polyacrylonitrile fiber concrete聚丙烯腈纤维混凝土polyvinyl chloride by suspension悬浮法聚氯乙烯polylauroylhexamethylene diamine聚十二酰己二胺