self-centering wheel clamp自定心车轮夹具
N-COUNT(可数名词) A wheel clamp is a large metal device which is fitted to the wheel of an illegally parked car or other vehicle in order to prevent it from being driven away. The driver has to pay to have the clamp removed. 车轮固定夹; 用以锁住非法停靠车辆的轮夹 [英国英语]
V-T(及物动词) If a car is wheel clamped, a wheel clamp is fixed to one of its wheels so that it cannot be driven away. 用轮夹锁住