The measurement of high frequency dynamical flow in dynamical test of electro-hydraulic proportional valve and electro-hydraulic servo valve is very difficult.
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。
Equipped with flow regulator in system, electro-hydraulic proportional speed regulating valve can decrease leveling time in high speed gear, and ensure leveling accuracy in low speed gear.
系统中设有流量调节环节，电液比例调速阀在快挡可以缩短整个调平时间，在慢挡可以保证调平精度。
With this new concept, the electro-hydraulic proportional valve that can control only pressure or flow has multifunction to control both pressure and flow-Two appplication examples are also presented.
理论上，如果有实用的动态流量传感器，用一控制阀口开度的电液比例节流阀，再配以压力和流星传感器就可控制这两个县。因目前还没有实用的动?。
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