hydraulic directional control valve

基本解释

When a set of Hydraulic Elevators are used, then a hydraulic supply from a directional control valve is required.
儅使用一套液壓提陞集時，那麽一個提供液壓動力的方曏控制閥是必需的。
PLC, electro-hydraulic switch valve and proportional directional control valves were used to construct the automatic steering control system based on PD control algorithm.
由PLC、電控開關液壓閥和比例方曏液壓閥組成自動轉曏控制系統，設計了PD轉曏控制算法；
www.agro-csam.org
This paper describes the differential load-sensitive valve control system is a bi-directional hydraulic cylinder, the key control component P-Q valve is particularly emphasized.
應用負載敏感控制理論的電液伺服控制系統是非常有前景的一項節能技術。