servo-valve 伺服阀 ; 随动滑阀 ; 伺服操纵阀 ; 伺服活门

valve positioning servo loop 阀门定位伺服回路

automatic-control servo valve 自动控制伺服阀 ; 自动节制伺服阀

bypass valve servo amplifier 旁道阀伺服放大器

servo relief valve 伺服安全阀 ; 继动安全阀

rotary servo valve 扭转伺服阀

Servo-jet pilot valve 射流管阀

servo-valve control device 伺服阀控制装置

electrolyte servo valve 电解液伺服阀