expansible polystyrene造句

例句与造句

1. This paper discusses the moistureproof and heat insulating properties ， the design and calculation , and the shaping method and characteristics of expansible polystyrene it lays the theoretical foundation for reasonably using materials in building trade
   论述了聚苯乙烯材料的防潮保温的性能、设计计算以及成型方法和特点，为建筑业合理使用材料提供了理论依据。
2. It's difficult to find expansible polystyrene in a sentence. 用expansible polystyrene造句挺难的