steel shapes

例句：

1. 1. The car is made of steel shapes.
   这辆车是用钢制品制成的。
2. 2.Steel shapes are used to make buildings and bridges.
   钢制品被用来建造建筑物和桥梁。
3. 3.Steel shapes are strong and durable, making them ideal for industrial use.
   钢制品既坚固又耐用，非常适合工业使用。