Zobrazeno 1 - 2
of 2
pro vyhledávání: '"F I Siddiqui"'
Publikováno v:
Journal of Metals, Materials and Minerals. 30
Thar Coalfield in Pakistan is the largest reserve of lignite coal in the country, which is outlined by thick coal seams. The preferred mining method for these thick coal seams is the Longwall Top Coal Caving (LTCC). The connection of both the top coa