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文章对3~#高炉使用三烧整粒料的前后情况作了简要的比较分析。认为烧结矿粒度组成的改善是高炉取得较大经济效益的主要原因。
Article 3 ~ # blast furnace using three whole grain before and after the case made a brief comparative analysis. It is considered that the improvement of the grain size of sinter is the main reason that the blast furnace obtains greater economic benefits.