Keyword [coal and rock pillars] Result: 1 - 3 | Page: 1 of 1 1.  Fault Coal And Rock Pillars Remain Reasonable Width Provided Numerical Simulation Analysis 2.  Study On Instability Mechanism Of Floor Coal And Rock Pillars In Upward Mining Above Goaf In Yuanbaowan Coal Mine 3.  Study On Mining Damage And Water Resisting Property Of Coal And Rock Pillars In The Closed Mine Boundary Of HengYuan Coal Mine   <<First  <Prev  Next>  Last>>  Jump to

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