hammer forging

• 锤锻,自由锻造

hammer forging的用法和样例：

例句

1. BLACKSMITH'S HAND AND HAMMER TOOLS.STRAIGHT HARDIES.
   手锻和锤锻用锻工工具直刃錾子。
2. 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。