Journal of Mining and Safety Engineering ›› 2025, Vol. 42 ›› Issue (5): 1008-1018.doi: 10.13545/j.cnki.jmse.2025.0049

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Rational differential grading of multi-layer anchorage for composite roof in deeply buried coal roadway#br#
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  • Online:2025-09-15 Published:2025-09-15

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