coalyadj.煤的;煤状的;含煤的
coaln.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
coal tar dye煤焦油染料
Coal pillars破坏
coal shearer采煤机
coaling road加煤线,上煤线
coal liquids煤液化油
coal explore煤炭开发
coal for oil油改煤
coal futures煤炭期货
coaling basen.煤站
coal machine采煤机