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Coal Engineering ›› 2025, Vol. 57 ›› Issue (9): 49-57.doi: 10.11799/ce202509008

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Staged hydraulic fracturing with directional long borehole for fully mechanized mining face in a shallow coal seam under hard roof

  

  • Received:2024-08-20 Revised:2025-06-24 Online:2025-09-10 Published:2025-10-13

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