论文部分内容阅读
1.今冬黑龙江省连降大雪,冰雪给公路上的车辆行驶造成严重危害,在汽车刹车时,总是滑行一段距离才能停下来,这是由于
1. This winter, Heilongjiang Province, heavy snowfall, snow and ice on the road vehicle driving a serious hazard in the car brakes, always gliding some distance to stop, it is due to