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.
于是在实际上比例阀可以同时作为方向阀和流量阀来使用。
When a set of Hydraulic Elevators are used, then a hydraulic supply from a directional control valve is required.
当使用一套液压提升集时，那么一个提供液压动力的方向控制阀是必需的。
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.
在比例方向阀控缸气动位置伺服系统中，置中电压是影响控制精度的重要因素之一。