为了查清南水北调西线工程深埋长隧洞的地质情况,西线南水北调项目组于1997年在雅砻江调水工程区布置了一个深孔,经过水利勘探工作者的努力,近日,终于成功地钻成这个深孔,孔深303m,这在内地已算深孔,在青藏高原更为罕见,也是南水北调西线工程青藏高原第一深孔。这个深孔位于青海省达日县莫坝乡,在规 In order to find out the geological conditions of the deep-lying long tunnel of the Western Route of South-to-North Water Diversion Project, the project of West Route South-North Water Transfer Project deployed a deep hole in the Yalong River water diversion project area in 1997. After the efforts of water conservancy exploration workers, Drilled into this deep hole, the hole depth 303m, which has been considered a deep hole in the Mainland, is more rare in the Qinghai-Tibet Plateau, but also the first deep hole of the Western Route Project of South-to-North Water Diversion Project. This deep hole is located in Mo Da Xiang, Dari County, Qinghai Province