coal oiln.煤油;煤馏油
coaln.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
coal transportation quantity煤炭运输量
coal excavation working face采煤工作面
coal hydrocarbon source rock煤系烃源岩
coal consumption for heating采暖耗煤量
coal-gathering regulations聚煤规律
coal accumulation depression聚煤坳陷
coal slurry vibrating screen振动筛