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作者提出用浅孔留矿—房柱切底联合法、分段空场—房柱切底联合法回采急倾斜—缓倾斜中厚难采矿体．
The authors propose to use the shallow hole stay - the combined method of column and column cutting, sub-section of the field - the combined method of post and column extraction of steep-gently inclined medium and difficult to mine.