coalway煤巷
coaln.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
coal liquefaction rate煤液化速率
coal- bearing strata煤系地层
coal management system煤炭管理体制
coal blends combustion混煤燃烧
coal output forcasting原煤生产量预测
coal-bearing measure层序地层
coal processing system选煤系统
coalescent debris cone复合碎石锥
coal bed melting limit煤层古冲刷界线
coal - water mixture水煤浆