近几年来,大中型客车的交通事故屡有发生,人员伤亡惨重。这多是司机违章操作或对汽车维护不良、措施不力所造成。但车辆本身的安全性能差,也是其中一个不可忽视的原因。减少或避免事故发生时的人员伤亡,是大中型客车设计时应予以高度重视的问题。抗损性有两个含义:一是防止事故发生时 In recent years, large and medium-sized bus accidents have occurred frequently, heavy casualties. This is mostly illegal operation of the driver or poor maintenance of the vehicle, caused by poor measures. However, the safety performance of the vehicle itself is poor, but also one of the reasons that can not be ignored. Reduce or avoid casualties at the time of the accident, which are issues that should be given high priority in the design of large and medium-sized passenger cars. There are two meanings of damage: First, to prevent accidents