常見(jiàn)例句雙語(yǔ)例句So in effect the proportional directional valve is acting as both a directional valve and a flow control valve.于是在實(shí)際上比例閥可以同時(shí)作為方 向閥和流量閥來(lái)使用。When a set of Hydraulic Elevators are used, then a hydraulic supply from a directional control valve is required.當(dāng)使用一套液壓提升集時(shí),那么一個(gè)提供液壓動(dòng)力的方向控制閥是必需的。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.在比例方向閥控缸氣動(dòng)位置伺服系統(tǒng)中,置中電壓是影響控制精度的重要因素之一。 返回 directional control valve