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Keyword [high gas thick coal seam]
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1. Bolter Miner Quick Tunneling Technology And Process In High Gas Thick Coal Seam
2. Overlying Strata Fissures Evolution And Methane Delivery Law Of High Gas Thick Coal Seam And Its Application Analysis
3. Research On The Gas Drainage Technology Of The Bottom Drainage Roadway In High Gas Thick Coal Seam Of Yu'wu Mining
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