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坝基开挖 朱汉平摄导流明渠过水 朱汉平摄筏闸闸室施工中 季旭东摄右岸边坡预应锚索安装 刘期舅 摄a吊装O进入锚孔建设中的铜街子水电站
Dam Foundation Excavation Zhu Hanping Guide Diversion Canal Drainage Zhu Hanping Raft Gate Chamber Construction Jixu Dongsheng Right Bank Slope Pre-installed Anchorage Cable Installation Liu Shouzhao a Hoisting O Into an Anchor Hole Construction of Tongjiezi Hydropower Station