Zobrazeno 1 - 2
of 2
pro vyhledávání: '"вспененная глинистая пульпа"'
Publikováno v:
RUDN Journal of Engineering Research, Vol 19, Iss 2, Pp 235-245 (2018)
Goal. Metal frame supports SVP-22 with round timber lagging and backfilling of the voidsof unsupported space with chock support is used in the workings of unstable ores and rocks at the Orlovsky mine. When filling the voids with a chock supportmanual
Externí odkaz:
https://doaj.org/article/280957ea14eb4f738d84a08c64462fc3
Publikováno v:
RUDN Journal of Engineering Researches, Vol 19, Iss 2, Pp 235-245 (2018)
Goal. Metal frame supports SVP-22 with round timber lagging and backfilling of the voidsof unsupported space with chock support is used in the workings of unstable ores and rocks at the Orlovsky mine. When filling the voids with a chock supportmanual