... 控制阀 control valve 缸阀 cylinder valve 国际无线电干扰特别委员会 CISPR (= International Special Committee on Radio Interference) ...
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首先，建立了阀控非对称缸位置控制系统与力控制系统的数学模型。
At first, it studied the plant model of position and force system about valve control unsymmetrical hydraulic ram.
所有的流体系统将用空气进行操作运行，以对管路系统中的所有泄露情况进行检查，液压缸和阀同样也要进行手动操作。
All fluid systems should be operated and air removed from systems and checked all leaks in piping systems. Cylinders and valves also should be operated manually.
液压系统采用了先进的二通插装阀系统、进口高性能的电子泵技术，实现了主缸压力与流量的双闭环控制；
The press takes use of advanced two-way cartridge valve system and imported electric pump technology which can realize double closed loop control of pressure and flow rate.
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