由于公路上车辆数量迅速增长,以及人们对舒适和安全行车的高标准要求,高速行驶的汽车需要质量更完美的平整路面。当汽车高速行驶时,由手工操作的摊铺机具所造成的几乎是不易察觉的路面起伏通常会引起剧烈震动。而当汽车在临界速率和悬浮状态下,看上去无关紧要的路 Due to the rapid growth in the number of vehicles on the road and to the high standards of comfort and safety that travelers require, cars traveling at high speeds require a smoother, more flat surface. Almost imperceptible road surface fluctuations caused by manually operated paving equipment often cause severe vibration when the car is traveling at high speed. And when the car is at a critical speed and in a suspended state, it looks like it does not matter