Keyword [soft thick coal seam] Result: 1 - 4 | Page: 1 of 1 1.  Study On The Roadway Stability Control Of Fully-mechanized Top-coal Caving Long-wall Face In Soft And Thick Coal Seam 2.  Study On Very Close To "Three Soft" Thick Coal Seam Layering Mining Under Continuous Pressure Of Fully Mechanized Working Face 3.  Study On Prevention Technology Of Rib Spalling Of Coal Wall Water Injection In "Three Soft" Thick Coal Seam 4.  Study On Anchorage Control Of Surrounding Rock In Gob-side Driving Of Fully Mechanized Sublevel Caving In “Three Soft” Thick Coal Seam   <<First  <Prev  Next>  Last>>  Jump to

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