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5.2 Key projects
中國大運(yùn)河技術(shù)史

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5.2 Key projects

        The Huaiyang region is characterized by a dense river network andabundant in water resources.Its terrain is high in the west and low inthe east.The Huaiyang Canal traverses the Huaiyang region in a northto-south direction.It connects lakes along it,while     (共 2051 字)     [閱讀本文] >>

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