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Keyword [loosening blasting]
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1. Study On The Fracture Laws And Controlling Of Thick And Hard Roof
2. Research On The Controlled Pre-splitting And Loosening Blasting Outburst Prevention Technique Parameters For Tunnel Excavation In Hebi No.8 Coal Mine
3. Mechanized Excavation Of Hard Rock Roadway Loosening Blasting Technology Research
4. Research On The Loosening Blasting Fully Mechanized Longwall Mining Technology In Hejiagetai Bauxite
5. Research On Mechanism Of Outburst Soft Coal Seam And Water Injection Strengthened By Loosening Blasting Technology
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