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介绍曹庄煤矿 -2 80泵房大断面松软岩层硐室严重变形情况 ,以及采用科学合理的支护形式、施工工艺所取得的有效支护效果。
This paper introduces the severe deformation of the cavern chamber of caozhuang coal mine with large cross section and the effective support effect of adopting scientific and reasonable support form and construction technology.