motor-bicycle两轮摩托车
motor mounted bicycle机动脚踏车
general motor-bicycle普通两轮摩托车
motor drived bicycle助力自行车
motor-mounted bicycle机动脚踏车
motor-assisted bicycle机动自行车
light motor bicycle tire轻型摩托车轮胎
motor bicycle disc brake电动车刹车装置
motor bicycle indoor parking室内摩托车停放