coalgasn.煤气coaln.煤；木炭vt.烧成炭；供应煤vi.加煤；装煤coal collocation动力配煤coal wall caving煤壁片帮coal dust boiler煤粉锅炉coal seam faults煤层断层Coal gangue dump煤矸石山coal power chain煤电链coal site sensor煤位传感器coal carbonizing[化] 煤的碳化; 煤的碳化作用; 煤的干馏coall combustion煤燃烧coal prospecting找煤