[an error occurred while processing this directive]

Coal Engineering ›› 2024, Vol. 56 ›› Issue (9): 98-104.doi: 10.11799/ce202409016

Previous Articles     Next Articles

Downward directional drilling and hole protection technology for coal roadways strip outburst prevention in soft thin coal seams#br# #br#

  

  • Received:2024-04-29 Revised:2024-07-04 Online:2023-09-20 Published:2025-01-08
  • Contact: wang jianqiang E-mail:122612897@qq.com

PDF (Mobile)

0