coalingn.装煤
coaln.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
coal face machinery采煤工作面机械
coal tar derivative煤焦油衍化物
Coal resources city煤炭资源型城市
coalfield fire zone煤田火区
coal bed combustion煤层燃烧
coal-rich nations盛产煤的国家
coal pneumoconiosis煤肺
coal-mine geology煤田地质
coal bunker chamber煤仓硐室
coal-tar solution[医] 煤焦油溶液