... valve-lifting plunger 气门挺杆 valve-lifting speed 气门挺升速度 valve-lifting velocity 气门挺升速度 ...
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Hydraulic station built-in flow control valve, adjustable lifting and turning speed.
液压站内置流量控制阀，可调校升降及翻转速度。
The safety valve can make the lifting fluid-pressure drive circuit of a fork lift truck or a crane obtain not only high efficiency ascending speed, but also reliable and safe descending speed.
该安全阀使叉车或起重机的起升液压驱动回路既有高效率的上升速度，又有可靠的安全下降速度。
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