Keyword [Coal mine roadway] Result: 61 - 67 | Page: 4 of 4 61.  Key Mechanism Design And Mechanical Characteristics Analysis Of Bolt Drill In Coal Mine Roadway 62.  Experimental Study On Reinforcement Of Expansive Grouting Material In Fractured Surrounding Rock Of Coal Mine Roadway 63.  Mechanism And Key Technology Of Vibration Reduction Of Drill Pipe For Roof Cutting In Coal Mine Roadway 64.  Mechanism Of The Orientation-lifting Of The Resin Grout Mixing And The Device Design 65.  Study On Assessment Of Rock Strength And In-situ Grouting Reinforcement Effect In Coal Mine Roadway By MWD Method 66.  Research And Application Of Concrete Mixing Truck For Coal Mine Roadway Construction 67.  Theoretical And Numerical Simulation Study On Dust Flow Characteristics In Roadways Of An Underground Coal Mine   <<First  <Prev  Next>  Last>>  Jump to

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