guenching unit

例句：

1. 1. The punching unit is responsible for creating the holes in the metal sheet.
   冲床负责在金属板材上打孔。
2. 2. The punching unit is used to stamp out a variety of shapes and sizes on the material.
   冲床用于在材料上压出各种形状和尺寸。
3. 3. The punching unit is an essential part of the manufacturing process, as it ensures precision and consistency in thefinal product.
   冲床是制造过程中不可或缺的一部分，它保证了最终产品的准确性和一致性。