刀柱式采空区遗留资源长壁综放复采关键技术及应用

袁光明, 张学亮

Key technology and application of longwall top coal caving re-mining for residual resources in wedge pillar goaf #br#

煤炭工程 . 2026, (4): 19 -25 .  DOI: 10.11799/ce202604003