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Keyword [deep-hole pre-splitting blasting]
Result: 21 - 22 | Page: 2 of 2
21. Research On Deep Hole Pre-Splitting Blasting Technology For Fracture And Permeability Enhancement In Low Permeability Coal Seam
22. Research On High Efficiency Hole Sealing Material And Technology Of Deep Hole Pre-splitting Blasting For Roof Of Coal Seam In Sihe Coal Mine
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