pilot operated control 导阀控制调节

Pilot Operated Control Valves 液压控制阀

pilot-operated control valve 先导式压力控制阀

pilot operated control valve 导向阀操纵控制系统

solenoid operated pilot control valve 电磁操纵先导控制阀

pilot operated directional control valve [机] 液控换向阀

air-operated pilot-control valve 气动滑阀控制的调节器

pilot-operated pressure control valve 先导式压力控制阀

sequenced pilot operated hydraulic control 导阀操纵的程序液压控制