hydraulic directional control valve

基本解釋

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，那麼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(guān)液壓閥和比例方曏液壓閥組成自動轉(zhuǎn)曏控制系統(tǒng)，設(shè)計了PD轉(zhuǎn)曏控制算法；
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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(yīng)用負(fù)載敏感控制理論的電液伺服控制系統(tǒng)是非常有前景的一項節(jié)能技術(shù)。