短語詞組短語valve timing control 氣門正時控制電磁閥valve e control servomotor 閥可控伺服電機valve local control stand 閥操縱臺valve mechanism control 氣門機搆操縱Valve Remote Control 閥門遙控valve location control 閥位控制valve position control 工業(yè)上稱其爲閥位控制;閥位控制valve unit control 閥控制valve remote control mechanism 閥門遙控機搆;閥遙控機搆 返回 valve control