短語詞組短語directional control valve [機(jī)]方向控制閥;方向閥;[機(jī)]定向控制閥;流量閥way directional control valve 多路換向控制閥;三位四通換向閥DCV Directional Control Valve 方向控制活門linear directional control valve 線型定向控制活門solenoid directional control valve 電磁方向控制閥directional control valve spool 轉(zhuǎn)向控制閥閥芯hydraulic directional control valve 液壓換向閥;液力方向控制閥;電動(dòng)液壓換向閥;電動(dòng)液力方向控制閥multiple directional control valve [機(jī)]多路換向閥 返回 directional valve control