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现代交通运输,主要有铁路、公路、水运、航空、管道五种方式,它们相辅相成,组成了综合运输网。公路运输机动灵活,周转迅速,可以直接把旅客和货物运到工矿企业和广大农村,既是一个独立的运输系统,又是铁路、港口和机场旅客与货物集散的重要手段,因此,它后来居上,发展
Modern transport, mainly rail, road, water transport, aviation, pipelines five ways, they complement each other to form a comprehensive transport network. It is an independent transportation system and an important means of distributing and distributing passengers and goods at the railway, port and airport. Therefore, it has come from behind and developed