短语词组短语Motor Driven Pulley Operation 电机带动皮带轮运转Axial Motor Pulley 轴向电机皮带轮Motor pulley diameter 电机皮带轮直径MOTOR PULLEY AND V -BELT 马达皮带轮和V形皮带pulley motor 电动机皮带轮Pulley stepper motor 齿轮tension pulley for motor 车用张紧轮 返回 motor pulley