Supplying water to Heishan Gorge Ecological Improvement Area has great significance on West Route engineering of South-to-North Water Transfer.

 
  • 全面估算南水北調西線(xiàn)工程向黑山峽寧夏受水區供水對該區生態(tài)環(huán)境建設的生態(tài)效益。
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