Keyword [roof presplitting] Result: 1 - 7 | Page: 1 of 1 1.  The Safety Of The. Kaolin Mining Theoretical Analysis And Experimental Research 2.  Stydy On Forced Roof Caving And Underground Pressure Regularity Of Double Hard Limestone Roof 3.  Study On Roof Presplitting By Deep Hole Blasting And Its Effet On The Pressure And Gas In The Initial Mining Stage Of Fully Mechanized Caving Face 4.  Analysis On The Formulation Design And Explosive Performance Test Of Liquid Explosive Used In Coal Mine 5.  Research On Cutting Roof Pressure Relief And Surrounding Rock Control Technology For Roadway Driving Along Goaf In Dongtan Mine 6.  Research On Attenuation Law Of Vibration Energy In Rock Mass And Scale Of Roof Presplitting In Rockburst Coal Mine 7.  Hard Roof Presplitting Blasting Roof Cutting Pressure Relief Mechanism Of Roadway Protection Research In Jianda Mine   <<First  <Prev  Next>  Last>>  Jump to

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