coalip辅酶 A
coaln.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
coal field area煤田区
coal excavating采煤
coal mine water矿井水
Coal and Gangue煤和矸石
coal floatation煤浮选
Coal Management煤炭管理
coal projection煤的突出
coal transaction煤炭交易
coal gas balance煤气平衡
Coal-gas maker煤气工