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hun ning tu zuo mu zao jing ji shu
Pages: 6-9
Year: Issue:  10
Journal: Coal Science and Technology

Keyword:  浇筑混凝土混凝土帷幕接头管泥浆护壁凿井技术槽孔浇灌混凝土导管主井帷幕深度;
Abstract: <正> 我国利用混凝土帷幕凿井技术已开凿了含水地层24个立井和2个斜井,形成我国有效的特殊凿井法之一。
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