南水北调中线工程天津干线渠首西黑山进口闸枢纽初步设计
남수북조중선공정천진간선거수서흑산진구갑추뉴초보설계
The Preliminary Design of Xiheishan Inlet Gate Control Project for Headwork of Tianjin Main Route of South-to-North Water Diversion Project
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