基本解釋[物理學]方向螺線管操作閥詞組短語短語solenoid operated directional valve 電磁換向閥SOLENOID OPERATED DIRECTIONAL CONTROL VALVE 峰昌電磁換向閥LowWatt Solenoid Operated Directional Valve 低瓦特電磁換向閥directional solenoid operated valve更多詞組專業(yè)釋義物理學方向螺線管操作閥