Keyword [Full-mechanized caving mining] Result: 21 - 25 | Page: 2 of 2 21.  Research On Surrounding Rock Control Technology For Gob-side Entry Retaining In Top-coal Caving Of Gently Inclined Coal Seam 22.  Study On The Technology Of Weakening Water Injection To Prevent Erosion In Subarea Of Fully Mechanized Caving Coal Seam In Jinchuan Coal Mine 23.  The Relation Between Support And Surrounding Rock Of Full-Mechanized Caving Mining When The Thick Coal Seam Was Invaded By Layered Lamprophyre 24.  The Overlying Strata Structure And Movement Laws Of Full-Mechanized Caving With The Thick Coal Seam Immediate Roof Invaded By Lamprophyre 25.  Luling Mine Ⅲ 811 Full-mechanized Caving Mining Technology And Mining Pressure Patterns Appeared   <<First  <Prev  Next>  Last>>  Jump to

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