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
coalbreakern.碎煤机
coal-holen.煤库
Coal Kaolin煤系高岭土
coal cinders煤渣
coal-firedadj.烧煤的
coal harbour煤港
coalescencern.聚结器
coal driving掘进煤巷
coal topping煤拔头
coal cuttingn.采煤