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在矿井改扩建施工中 ,斜井井筒穿过采空区是经常遇到的问题。简要介绍斜井井筒穿过采空区的施工方法及工程实例
Reconstruction and expansion in the mine construction, the inclined shaft through the goaf is a well-known problem. Briefly introduce the construction method and engineering example of inclined shaft through the goaf