Daxing’an Mountain and Xiaoxing’an Mountain
poverty mountain area of Qinling mountain
Tianshan Mountain Tarim Kunlun Mountain
Added-calcium Coal Gangue
Carbonaceous gangue copper mine
carboniferous coal gangue
coal gangue
煤
煤矸石
煤矸石砂
煤矸石配料
低铝煤矸石
煤矿石
煤系高岭土
矸石山
光度法
矸石