polyoxyn.聚氧POLYabbr.聚乙烯(=polyethylene)pref.多的；聚合的polyanillne modification聚苯胺修饰polyhydroxylated polymer多羟基聚合物polycarboxylic admixture聚羧酸外加剂Polyalthia pingpienensisn.多脉暗罗polyurethane microsphere聚氨酯微球Polymetallic sulfide ore多金属硫化矿Polystichum paradeltodonn.新对生耳蕨poly-linear regression多元线性回归polycrystalline titanium纯钛polyorganostannosiloxane聚有机锡硅氧烷