Keyword [Roadway surrounding rock control] Result: 21 - 25 | Page: 2 of 2 21.  Research On Failure Mechanism And Repair Technology Of Surrounding Rock Of Soft Rock Uphill In Fault Tectonic Area Of Zhuxianzhuang Coal Mine 22.  Research And Application Of Surrounding Rock Deformation And Control Technology Of Re-mining Face Passing The Abandoned Roadway 23.  Study On Surrounding Rock Control Technology Of Goaf Floor Roadway Under The Condition Of Close Coal Seam Spacing And Several Coal Pillars 24.  Study On Deformation Characteristics And Control Technology Of Surrounding Rock In Fully Mechanized Caving Roadway Of Hebi No.9 Mine 25.  Study On Roadway Layout And Surrounding Rock Control Of Large Buried Depth And Short Distance Lower Coal Seam   <<First  <Prev  Next>  Last>>  Jump to

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