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14 天
南水北调中线行丨走,过黄河
滔滔南水一路北上,行至河南郑州附近黄河南岸的邙山,遇到了千里北上最大的难题——黄河天堑。 怎么办?于是,不拘一格的隧洞设计横空而出。工程技术人员在万古黄河的河道下修建两条“地下河”,这就是南水北调中线的“咽喉”——穿黄工程 ...
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