道路是勾通城乡物质文化生活,发展生产的纽带。在山区农业现代化建设中,道路对实现耕作运输机械化,改变生产条件,提高劳动生产率有着直接的关系。但是,在黄土山丘地区,雨洪对道路的冲刷破坏是相当严重的,群众早有“千年古路冲成河”的说 The road is a link linking urban and rural material and cultural life and developing production. In the course of agricultural modernization in mountainous areas, roads have a direct bearing on the mechanization of farming and transport, changing production conditions and increasing labor productivity. However, in loess hill areas, rain and flood damage to the road is quite serious, and the masses have long said that “the ancient road rushed into the river,” said