东线南水北调干线基本走原河道,并经过四大湖泊调节,利用部分现有建筑物和抽水站,工程量少,投资省,这是东线方案的显著优点。但原河道多为排洪,排涝河道,或横穿一些排洪、排涝河道。本文在分析了 The east route of the South-to-North Water Diversion Project basically takes the original river course, and after the adjustment of the four lakes, makes use of some existing buildings and pumping stations with less construction and investment. This is a significant advantage of the eastern route. However, the original river is mostly flood discharge, drainage river, or cross some of the flood discharge, drainage river. This article is analyzed