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1 高速公路非路产业经营开发的兴起及形成 高速公路的建设是衡量一个国家或者地区经济发展水平的产物,是成都市现代化的重要标志之一。欧洲是高速公路修建最早的地区,美国、日本是高
1 The rise and formation of expressway non-road industry The development of expressway is a measure of the economic development level of a country or region and is an important symbol of Chengdu’s modernization. Europe is the earliest highway construction area, the United States, Japan is high