It is certainly worse by the pressure reducing valve , hydraulic throttle valve and the short form of three parts.
2
介绍了一种直动式电液数字伺服阀的结构原理及其控制方法。
The operation principle and control method of electro-hydraulic digital servo valve are first introduced.
3
在电液比例阀和电液伺服阀动特性测试中,高频动态流量的测量一直是一个难题。
The measurement of high frequency dynamical flow in dynamical test of electro-hydraulic proportional valve and electro-hydraulic servo valve is very difficult.