Zobrazeno 1 - 1
of 1
pro vyhledávání: '"height limited mining"'
Publikováno v:
Meitan kexue jishu, Vol 51, Iss S2, Pp 200-209 (2023)
Aiming at the problem of water and sand collapse during mining under the near loose aquifer in the exposed area of shallow coal seams, and taking the 3I126 working face of Luxi Coal Mine as the engineering background, a combination of physical simula
Externí odkaz:
https://doaj.org/article/b875f6506d48433db887257617b79bda