基本解釋[機(jī)械工程]高沖擊性聚苯乙烯詞組短語(yǔ)短語(yǔ)HIPS high impact polystyrene rigidity 高沖擊性聚苯乙烯high impact polystyrene rigidity更多詞組專(zhuān)業(yè)釋義機(jī)械工程高沖擊性聚苯乙烯