Keyword [extremely soft rock] Result: 1 - 5 | Page: 1 of 1 1.  The Study Of Mining And Supporting Technique For A Fully Mechanized Top Coal Caving Face In Extremely Soft And Easy Self-ignition Thick Seams 2.  Very Soft Rock Surrounding Rock Control Technology 3.  Study On The Technology Of Extremely Soft Rock Roadway Quickly Road-made In Mining Gateway In Xiaokang Mine 4.  The Research And Application Of Spontaneous Combustion Coal Seam With XiaoKang Coal Mine 5.  Stability Analysis And Key Technology Research Of Tunnel Formation In Extremely Soft Rock Of Jinshandian Iron Mine   <<First  <Prev  Next>  Last>>  Jump to

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