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