copper alloy steel

例句：

1. 1.This type of steel is commonly used in construction projects.
   这种类型的钢材常用于建筑项目中。
2. 2. Copper alloy steel is a popular material for making tools and machinery.
   铜合金钢是一种制作工具和机械的流行材料。
3. 3. The steel was so strong that it could withstand the weight of a small car.
   这种钢非常坚固，能够承受小型汽车的重量。