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Coal Engineering ›› 2026, Vol. 58 ›› Issue (3): 112-120.doi: 10.11799/ce202603014

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Instability mechanism and roof cutting control technology for coal pillars under thick and hard roofs#br#

  

  • Received:2025-01-09 Revised:2025-03-22 Online:2026-03-10 Published:2026-04-14

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