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30 积分 2026-01-29 加入
Application of pre-splitting blasting roof-cutting pressure relief technology for roadway protection under hard roof
3个月前
已完结
Stability control of roadway surrounding rocks under repeated mining: a case study
3个月前
已完结
Optimization of residual coalbed methane extraction wells and analysis of development and emission reduction benefits in the Songzao mining area
3个月前
已完结