coalboxn.煤箱;发黑烟的炸弹
coaln.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
coal mining waste矸石
coalminer rs lung煤矿工人尘肺
coalbed reservoir煤储层
coal gas pressure煤气压力
Coal Gasiiieation煤气化
coal shale powder煤系高岭土
coal drilling rod钻煤杆
coal protein gene外壳蛋白基因
Coal-formed oil煤成油
coalescence model聚结模型