引大入秦工程是从青海大通河引水至甘肃秦王川的一项跨流域引水的大型水利灌溉工程。该工程主要负责位于兰州市以北60多km秦王川地区的灌溉。它对于改变兰州市干旱多灾的落后面貌具有重要的意义。同时,也是强化甘肃省农业基础,改变中部地区农业生产条 The Qinling Daqin project is a large-scale water-conservancy irrigation project that diverts water from the Datong River in Qinghai to Qinwangchuan in Gansu Province. The project is mainly responsible for the irrigation of the Qinwangchuan area which is more than 60 km north of Lanzhou City. It is of great significance for changing the backwardness of drought and disaster in Lanzhou City. At the same time, it also strengthens the agricultural foundation of Gansu Province and changes the agricultural production in the central region.