impervious foundation.
不透水地基
Power intake dam section foundation impervious curtain grouting in the dachaoshan hydropower plant
大朝山水电站进水口坝段坝基防渗帷幕灌浆施工
Design and construction of dam foundation impervious curtain grouting for dachaoshan hydropower station
大朝山水电站大坝基础防渗帷幕灌浆设计与施工
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