短语词组短语level -braked motor 杠杆式制动电动机leve braked motor 杠杆式制动电动机leve -braked motor 杠杆式制动电动机;物位传感器lever -braked motor [电]杠杆式制动电动机double speed braked motor 双速制动电机double -speed braked motor 双速制动电机 返回 brake motor