coaldropn.卸煤机coaln.煤；木炭vt.烧成炭；供应煤vi.加煤；装煤coal accumulating characteristics聚煤特征Coal and Gas Outbursts Prediction煤与瓦斯突出预测Coal roadway influenced by mining采动煤巷Coal consists mostly of carbon.煤大部分由碳组成。coal-bed spontaneous combustion煤层自燃Coal mine safety application grid煤矿安全应用网格coal accumulation characteristics聚煤特征coal-fired bogie hearth furnace台车式燃煤炉coal mining geological conditions煤层开采地质条件coal-rock interface recognition煤岩界面识别