Keyword [destruction of surrounding rock] Result: 1 - 2 | Page: 1 of 1 1.  Study On The Optimum Position Of Roadway Of Middle Residual Coal Seam Between The Upper And Lower Longwall Goaf 2.  Research On Dynamic Rebound Mechanism Of Roadway Roof And Its Influence On Instability And Failure Law Of Surrounding Rock   <<First  <Prev  Next>  Last>>  Jump to

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