短語(yǔ)詞組短語(yǔ)solenoid valve control circuit 電磁閥控制電路stabilizer control valve circuit 穩(wěn)定器控制閥回路backhoe control valve circuit 反鏟控制閥油路pilot control valve circuit 先導(dǎo)控制閥回路 返回 valve control circuit