Method for room-and-pillar mining and subsequent filling mining of gently inclined to inclined ore body
The invention discloses a room-and-pillar mining subsequent filling mining method for gently inclined to inclined ore bodies, relates to the technical field of mining, solves the existing technical problems, and comprises the following steps: step 1, determining a working face arrangement mode; 2, m...
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Format: | Patent |
Sprache: | chi ; eng |
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