引大入秦灌区位于甘肃省中西部,灌区引水工程始建于1976年,1994年总干渠建成。目前,盆地腹地内30万亩农田基本已形成林网化,兰中(兰州到中川机场)高速公路旁60公里长的绿色走廊已基本建成,盆地南部丘陵区已形成规模乔、灌、果林园。灌区内小树摇曳,鸟语啾啾,一片人造绿洲跃然荒 Dazhongqin irrigation area is located in the central and western Gansu Province. The water diversion project was started in 1976 and completed in 1994. At present, 30 million mu of farmland in the hinterland of the basin has basically formed a forest network, and a 60-km-long green corridor adjacent to the highway in the middle of Lanzhou (Lanzhou to Zhongchuan Airport) has basically been completed. The scale of Qiao, Irrigation and Fruit Grove . Small trees swaying irrigation area, bird tweeted, a man-made oasis suddenly shortage