后闸;
Blake's black bike's back brake bracket block broke.
布雷克的黑色自行车的刹车回座支架坏了.
The carriage features front-wheel steering back-wheel driving structure and a hoisting-winding-driving mechanism with DC series-wound excited motor open transmission and electromagnet brake.
采用直流串激电机驱动的开式传动和电磁闸瓦制动结构,设计起重卷扬驱动装置;
Blake's black bike's back brake block broke.
布莱克的黑色自行车的后车架刹车坏了.
A bloke's back bike brake block broke 。
一个家伙的脚踏车后制动器坏了。
The back pedaling brake of the bike is out of order.
这辆自行车的倒轮闸失灵了.
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