The dam heightening project in Danjiangkou is one of key projects in the Middle Route of the South-to-Norrth Water Transfer Project.

• 摘要南水北调中线工程是为了解决京、津、华北地区水资源紧缺而实施的战略性工程，丹江口大坝加高工程是中线工程的关键性工程之一。