Zobrazeno 1 - 1
of 1
pro vyhledávání: '"overlapping extension features"'
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 8, Pp 44-51 (2024)
The surrounding rock of the repeated mining roadway is severely deformed and cannot be reused, and the repeated mining roadway has obvious overlapping extension features during the service period. In order to solve the above problems, this study take
Externí odkaz:
https://doaj.org/article/d3a2febc40a14d4aa432d6c763befe9a