Steam hammer is an important equipment of machinery industry, the head is of the main parts.

汽锤是机械行业广泛使用的重要设备, 锤头是其主要的部件之一.

互联网

After steel is made, it needs forging, which nowadays is done with a pneumatic hammer.

钢炼出来要锻.现在锻要拿汽锤锻.

互联网