液压伺服阀 meaning in English

hydraulic servo-valve
hydraulicefficiency servo-valve

Hydraulic fluid power - four - and five - port servovalves - mounting surfaces
四油口和五油口液压伺服阀安装面
As the electric - mechanism converter of the servo valve , torque motor is the key component of the electro - hydraulic servo valve . its output torque characteristic has a significant influence on the performance of servo valve
力矩马达作为液压伺服阀的电? ?机械转换装置,是电液伺服阀的关键元件之一,其输出力矩特性对伺服阀性能具有较大的影响。