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Keyword [hole spacing]
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1. The Application Of Large Hole Spacing And Small Row Spacing Blasting Technology In Barun Mining Fracture Rock
2. Technology Application Of Deep Hole Presplitting Blasting To Improve The Efficiency Of Gas Extraction In Liyazhuang Mine
3. Research On Timing Characteristics Of The Extracting Influence Radius Of The Pre-pumping Gas Drilling Hole
4. The Numerical Simulation Research For The Parameters Of Pre-pumping Coal Seam Gas In Hebi Third Mine
5. Technology Research Of Deep Hole Presplitting Blasting To Improve Gas Pumping Rate Of Zhaojiashan Coal Mine
6. Study On The Control Technique Of Shigejie Coal Mine Working Face Of Hydrogen Sulfide Gas
7. Experimental Study On The Influence Of Different Coupling Coefficient And Hole Spacing On The Fracture Propagation Of Coal Seam Detonation
8. Study On Increasing Permeability Technique By Carbon Dioxide Pre-splitting Blasting In Wang Jialing Coal Mine
9. Effects of edge distance, hole size ratio and hole spacing on peak stresses of composite laminate with multiple holes
10. Numerical Simulation And Optimization Of The Relationship Between Hole Spacing And Aperture Multiple In Presplitting Blasting
11. Study On Optimization Of Controlled Blasting Parameters Of Slope In Fenghuangshan Limestone Mining Area
12. Study On Fine Division Of Coal Seam Gas Extraction Unit And Design Method And Application Of Borehole
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