polygrap多导生理记录装置
POLYabbr.聚乙烯(=polyethylene)pref.多的;聚合的
polyoxyethylene cetyl/stearyl ether聚氧乙烯鲸蜡基/硬脂基醚
poly dimethyldiallyl ammonium chloride聚合二甲基二烯丙基氯化铵
Polysaccharide in polygonatum odoratum玉竹多糖
polyacrylonitrile-based carbon fiber聚丙烯腈基碳纤维
Polyvalent Metal Hydroxyl Complexes.
Polyacrylate-type hyper-dispersant聚丙烯酸型超分散剂
polyethylene-insulated coaxial cable聚乙烯绝缘同轴电缆
Polystyrene-acrylic acid microsphere聚苯乙烯-丙烯酸微球
Polyamide-amine type chelating resin聚酰胺-胺型螯合树脂