high styrene resin

例句：

1. 1. Thenew car has a high-density polyethylene body and a high-density polystyrene roof.
   这款新车的车身是高密度聚乙烯，车顶是高密度聚苯乙烯。
2. 2.The engineer used high-density polystyrene to make the mold for the new product.
   工程师用高密度聚苯乙烯制作了新产品的模具。
3. 3.High-density polystyrene is commonly used in packaging materials due to its excellent strength and durability.
   由于其出色的强度和耐用性，高密度聚苯乙烯常用于包装材料中。