Zobrazeno 1 - 1
of 1
pro vyhledávání: '"DANG Bao-quan"'
Publikováno v:
Gong-kuang zidonghua, Vol 36, Iss 4, Pp 14-17 (2010)
In order to forewarn outburst coal in process of tunnel drifting in high outburst mine, so as to eliminate hidden dangers early and prevent disaster, building of detailed geological model of outburst coal was researched and the normal pitch between t
Externí odkaz:
https://doaj.org/article/99b677a72fbe4d7391a907cc7d481f32
