Coal Engineering ›› 2025, Vol. 57 ›› Issue (6): 150-157.doi: 10. 11799/ ce202506019

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Quantitative identification method for accurate traceability of pressure-relief gas in the upper protected layer in deep coal seams group

  

  • Received:2024-11-04 Revised:2024-12-16 Online:2025-06-11 Published:2025-07-15

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