短語(yǔ)詞組短語(yǔ)syndiotactic polystyrene s ps 磺化間槼聚苯乙烯macropore polystyrene resin ps 大孔聚苯乙烯樹(shù)脂polystyrene class PS 聚苯乙烯類linear polystyrene ps solution 線型聚苯乙烯溶液polystyrene ps membranes 聚苯乙烯膜waste polystyrene ps 廢ps泡沫塑料General Purpose Polystyrene PS 硬膠通用聚苯乙烯;通用聚苯乙烯polystyrene ps spheres 聚苯乙烯小球PS Polystyrene 聚苯乙烯 返回 polystyrene ps