closed die

• 封闭模,闭合模,模锻模,闭式冲模

closed die的用法和样例：

例句

1. The dynamic stress concentration problems at the swallowtail on a hammer forging die are investigated by using the dynamic photoelastie method.
   用动态光弹性法研究了锤锻模燕尾的动态应力集中问题。