pressure control valve load piston；压力控制阀承载柱塞 pressure control valve operation；压力控制阀的工作 pressure control valve pressure setting；压力控制阀的压力调节[设定] ..
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At the same time the control means for simultaneously controlling the channel valve and the internal pressure of the second chamber provides means for very efficient operation of the apparatus.
同时，用于同时控制通道阀和第二室的内部压力的控制装置提供了用于非常有效地操作设备的装置。
The operation programme of DN1400 butterfly's valve control system was introduced, and the designs of its hydraulic pressure control system and electric control system were explained.
介绍了DN1400蝴蝶阀控制系统的操作程序，并详细阐述了其液压控制系统和电气控制系统的设计。
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