求翻译：目前制定的“南水北调”的总体规划是：分别从长江上、中、下游调水，即“南水北调”西线工程、中线工程和东线工程是什么意思？

The overall planning of the current "diversion": from the Yangtze River, downstream water diversion, that is, "diversion" Western Route Project Transfer Project and Transfer Project

Which is currently being developed in the South-to-north water diversion project" of the overall plan is: from the Yangtze River, downstream, in the water, and the South-to-north water diversion project, " West Line project and the project

At present formulates “the northward rerouting of southern river” the overall plan is: Separately from Yangtze River, the downstream adjusts the water, namely “northward rerouting of southern river” west line project, median line project and east line project

Current "North" master plan is: from the upper, middle and lower reaches of the Yangtze River water, the "South-North water transfer" Western line, and East of the middle line engineering

正在翻译，请等待...