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Keyword [Specially thick coal seam]
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1. Study On Failure Law Of Surrounding Rock And Overlying Bed In Steep And Specially Thick Coal Seam Mining
2. Study On Roadway Mine Pressure Regularity In Steep And Specially Thick Coal Mine Seam Of Dahonggou
3. Study And Application On The Surface-movement And Overlying Of Thick Coal Seam Caving Mining Under The Thick Conglomerate
4. Research On Surrounding Rock Control Technology Of Thick Coal Seam Coal Roadway With Dirt Band And Water
5. Study On The Key Parameters Of Process In Full-mechanized Top Coal Caving Mining With Large Dip Angle And Specially Thick Coal Seam
6. Specially Thick Coal Seam Of Wudong Mining Area Fully Mechanized Coal And Rock Control Technology And Application
7. Study On The Fire-fighting Technology Of Easy Spontaneous Combustion In Dafosi Mine
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