气锤;风锤;
The experience of modifying pneumatic hammer into electrohydraulic hammer is introduced in this paper.
介绍了将空气锤改造成电液锤的经验.
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.
Last impacting velocity of the piston of pneumatic hammer contacts nearly capability of pneumatichammer.
风动冲击器活塞的冲击末速度决定了冲击器的工作性能.
英语巴士 · 中考英语
英语巴士 · 四六级英语
英语巴士 · 英语美文