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guo nei wai han jian shen du de ba ti hun ning tu fang shen qiang zai san men xia shi jian cheng
Pages: 2
Year: Issue:  5
Journal: Ready-mixed Concrete

Abstract: <正>2009年4月5日上午,记者在77米高的窄口水库大坝坝顶看到,施工人员正在操作机器开展坝体与防渗墙一体化灌浆作业,这表明国内外罕见深度的坝体混凝土防渗墙已经建成。
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