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本设备是这样设计的:当拉活塞器和活塞连接后,利用泵的动力带动活塞杆,就有足够的力从活塞杆传至活塞,快速地卸下活塞,不需人力且省时间。
The device is designed such that when the pull piston is connected to the piston, the piston rod is driven by the power of the pump, so that sufficient force is transmitted from the piston rod to the piston and the piston is quickly removed without human effort and time.