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防后撞即活塞在行程中,由于反弹的惯性冲击碰撞液压凿岩机的零件造成机件损坏,国外各种液压凿岩机均设计有缓冲装置。
Anti-collision that the piston in the stroke, due to the rebound of the impact of inertial impact hydraulic rock drill parts caused damage to the machine, a variety of foreign hydraulic rock drill are designed with a buffer device.