polystyrene diffusion broadening

例句：

1. 1.The polystyrene material is widely used in the production of plastic products.
   聚苯乙烯材料广泛用于生产塑料制品。
2. 2. Polystyrene is a type of plastic that is commonly used in packaging and construction.
   聚苯乙烯是一种常用的塑料，用于包装和建筑。
3. 3.The polystyrene material has been found to have good thermal conductivity, making it an ideal choice for heat exchangers.
   聚苯乙烯材料具有良好的热传导性，是换热器的理想选择。