评论:南水北调工程保水堰水力特性研究 Study on Hydraulic Characteristics of Water Co…

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南水北调工程保水堰水力特性研究Study on Hydraulic Characteristics of Water Conservation Weir in the South-to-North Water Transfer Project 南水北调天津干线采用分段低压输水方式后,保水堰作为有压管道...

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