根据料柱骨架理论和喷煤技术经济分析，提出了高炉喷煤极限和临界置换比的新概念；
According to the theory on stock column skeleton of BF and the economic analysis of injection, a new concept on limit of injected coal and critical replacement ratio is proposed.
根据料柱骨架理论和喷煤技术经济分析，提出了高炉喷煤极限和临界置换比的新概念；
According to the theory on stock column skeleton of BF and the economic analysis of injection, a new concept on limit of injected coal and critical replacement ratio is proposed.
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