directional control valve

基本解释

So in effect the proportional directional valve is acting as both a directional valve and a flow control valve.
於是在實際上比例閥可以同時作爲方曏閥和流量閥來使用。
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。
In pneumatic position servo system with proportional directional control valve and control cylinder, the centre adjust emt voltage is one of the important factors that influence control precision.
在比例方曏閥控缸氣動位置伺服系統中，置中電壓是影響控制精度的重要因素之一。