Zobrazeno 1 - 1
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pro vyhledávání: '"QU Xingjia"'
Publikováno v:
Gong-kuang zidonghua, Vol 49, Iss 3, Pp 93-99 (2023)
In the actual excavation process of the roadway, besides the coal seam, there are various types of gangue layers on the working face. The existence of these gangue layers will affect the cutting efficiency of the roadheader bolter. However, most curr
Externí odkaz:
https://doaj.org/article/85addac360f540869c4c5ab5be743c44
