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polycyclic saturated hydrocarbon多环饱和烃Polysacchariedes from fruit body子实体多糖polyelement composite fertilizer多元复合肥料polyethylene glycol isophthalate聚间苯二甲酸乙二醇酯polymorphlsm information content多态信息含量polymetallic metallogenetic belt多金属成矿带polyurethane micropore elastomer聚氨酯微孔弹性体polycyclic aromatic hydorcarbons多环芳烃polycarbosilane precursor fibers聚碳硅烷陶瓷先驱丝polyalkylene synthetic lubricant聚烯合成润滑剂