Zobrazeno 1 - 1
of 1
pro vyhledávání: '"LIU Qing2"'
Publikováno v:
Gong-kuang zidonghua, Vol 47, Iss 6, Pp 79-83 (2021)
Detecting the thickness of the top coal in a fully mechanized working face in advance can provide a basis for precise control of the top coal caving, which is beneficial to achieving a balance between the coal caving recovery rate and coal quality. B
Externí odkaz:
https://doaj.org/article/cc474a3fc16f4b1fa62da0ba02436db9
