The method of roadway-by-roadway backfilling mining to protect roof and replace pillar for bauxite under coal seam#br#

The method of roadway-by-roadway backfilling mining to protect roof and replace pillar for bauxite under coal seam#br# Journal of Mining and Safety Engineering . 2024, (1): 212 -220 . DOI: 10.13545/j.cnki.jmse.2023.0508