coaln.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
coalminern.煤矿工人
coal shed煤的夹层
coal grab抓煤机
coal seamn.煤层
coal band煤条带
coal gate煤闸门
coal ball煤层石球,煤结核
coal goal煤层采空区
coalfieldn.煤田
Coalvillen.科尔维尔(在英国;西经 1º20' 北纬 52º44')