Coaltern.科尔特coaln.煤；木炭vt.烧成炭；供应煤vi.加煤；装煤coal blending management配煤管理coal seam roof and floor煤层顶底板coal slurry gasification水煤浆气化coal - measures kaolin煤系高岭土coal circulatory economy煤炭循环经济coal blending for coking炼焦配煤Coal is a fossil fuel.煤是一种矿物燃料。coal fired flow facility燃煤流动设备Coal-radix flexibility煤基块弹性能coal reserves management煤炭储量管理