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.

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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.

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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.

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