closed-type die

例句：

1. 1. The machine uses a closed-type die to make precise cuts.
   这台机器使用闭模冲头来制作精确的切割。
2. 2.The closed-type die is designed to hold the material securely during the forming process.
   闭模冲头的设计是为了在成型过程中保持材料稳定。
3. 3.The closed-type die is an essential tool for metalworking operations.
   闭模冲头是金属加工操作中不可或缺的工具。