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俄罗斯马哥尼托哥尔斯克钢铁公司将两座高炉风口数分别由20增至25及由16增至20,在鼓风参数相对固定的条件下,保证炉料下降稳定及煤气分布合理,又将风口直
Russia Magione Gorske Steel will increase the number of blast furnace tuyeres of the two blast furnaces from 20 to 25 and from 20 to 20 respectively. Under the condition of relatively constant blowing parameters, it is ensured that the charge will drop steadily and the gas distribution is reasonable. Straight mouth