中国公路通车里程居世界第三,高速公路仅次于美国居世界第二位汽车产业要大发展,公路建设自然就要有大的发展建设综合型运输体系是运输源头的节约,也是最大的节约铁路、公路、航空各管一方,自成体系,降低了人流、物流的运输效率,这是运能上的浪费,也是资源和能源的浪费汽车生产厂商要根据市场要求,研制和生产各种专用车辆以节约运力和提高效率 China runs the third largest highway in the world in terms of mileage and second only to the United States in the world. The second automobile industry in the world is undergoing major development. Naturally, highway construction requires a major development. Building an integrated transportation system is the source of transportation savings and the largest saving Railways, highways, and airlines have a unique system to reduce the flow of people and logistics. This is a waste of energy and a waste of resources and energy. According to market requirements, automobile manufacturers must develop and produce various kinds of special Vehicles to save capacity and improve efficiency