coaleumn.煤烃
coaln.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
coal-water mixture水煤浆
coal -fired boiler燃煤锅炉
coal-sensing probe底板留煤的核探测器
coal-gas generator煤气炉
coal handling system煤处理系统
coal winning machine采煤机
coal mine production煤矿生产
coal dust deposition煤尘沉着病
coal mining in China中国煤炭工业
coal bed - methane煤层气