[an error occurred while processing this directive]

Coal Engineering ›› 2026, Vol. 58 ›› Issue (2): 79-84.doi: 10.11799/ce202602010

Previous Articles     Next Articles

Technology of large-diameter back reaming and screen pipe installation for gas extraction boreholes in coal mine working faces #br#

#br#   

  • Received:2025-06-23 Revised:2025-09-04 Online:2026-02-15 Published:2026-03-16

CLC Number: