炼焦煤 [冶] [矿业] coking coal ; baking coal ; crozzling coal ; sintering coal

非炼焦煤 dead coal ; non-coking coal ; coking coal

炼焦用煤 coking coal ; coal for coking

炼焦煤价格指数 SHCNCCI

炼焦水煤气 coke water gas

洗净炼焦炉煤气 purified coke oven gas

炼焦煤气 coke-oven gas

炼主焦煤 sintering coal

炼焦煤气发生炉 coke producer

炼焦动力煤中硫 Coking steam coal - Sulphur ; Coking steam coal