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南水北调中线工程从丹江口水库陶岔渠首引水,输水总干渠利用有利地形条件,经长江流域与淮河流域的分水岭方城垭口,沿黄淮海平原西部边缘布置,至北京团城湖全长1276km,向北京、天津、河北、河南4省(市)供水。总干渠在河南省境内长731km,向受水区南阳、平顶山、漯河、周口、许昌、
The Middle Route of South-to-North Water Diversion Project leads from the headwater of Taocha Canal of Danjiangkou Reservoir. The main canal of water conveyance utilizes the favorable topographical conditions. It is arranged along the western edge of the Huang-Huai-Hai Plain through the watershed Fangcun Pass of the Yangtze River and Huaihe River basins to the total length of 1276km, Water supply to Beijing, Tianjin, Hebei and Henan 4 provinces (cities). The main trunk channel in Henan Province, a long 731km, to the water area Nanyang, Pingdingshan, Luohe, Zhoukou, Xuchang,