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本文介绍屯兰煤矿主、副斜井过特大含水层时采用深井潜水泵井点降水,明槽开挖的施工方法,该方法技术上可行,经济上合理。
This paper introduces the construction method of deep well submersible pump well point dewatering and open trench excavation in the main and minor inclined wells in Tunlan coal mine. This method is technically feasible and economically reasonable.