Ralph Nader dubbed the Corvair "the one-car accident" because its swing axlesuspension had a tendency to tuck under, causing the driver to lose control.
拉尔夫·内德称科维尔是“一辆车的车祸”，因为它的摆动轴悬挂容易向下方变形，导致司机失去控制。
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This paper discussed the main cause that DF4 type diesel locomotive axlesuspension bush fault happend and it put forward some advice on improvement.