目前，全世界的汽车保有量已达5．5亿辆。我国的汽车工业从幼稚走向成熟而今他认到车产1川万辆＿富于疑问，洗手作为现代化的交通工具与已走进了人们的生活。当一条条流水线把成千上万辆汽车送出厂门的同时，交通事故伎因此大幅度上升而成为当代第一十社会公害。有资料表明，全 Currently, the world’s car ownership has reached 550 million. China’s auto industry from naive to mature now that he has a production of 1 million vehicles _ rich doubt, wash your hands as a modern means of transport and has entered the lives of people. When a series of lines sent hundreds of thousands of cars to the factory gate, traffic accidents so dramatically increased to become the first ten social public hazard. Data show that all