Coal Engineering ›› 2022, Vol. 54 ›› Issue (6): 57-63.doi: 10.11799/ce202206012

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Research on crossing dense abandoned roadway groups of fully mechanized top coal caving face through high water filling technology

Shao Chunrui1,   

  • Received:2022-05-07 Revised:2022-05-21 Online:2022-06-15 Published:2022-07-06

CLC Number: