Axle heat damage caused by a wheel bearing fracture may lead to such a condition.
轮轴承断裂造成轴的热损伤可能会导致这类情况。
As the temperature of bus wheel bearing mostly comes from the drum brake's braking heat, the simulation of wheel bearing adopted the real brake system on bus and the real working condition of bus;
鉴于公交车轮毂轴承温度大部分来自于制动鼓的制动热，轮毂轴承温度的模拟采用公交车实用的制动系统并通过模拟公交车的实际工况来实现；
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