炉底、炉缸是高炉的关键部位，砌筑技术及施工工艺比较复杂，质量指标和设计要求较高。
As key parts of the blast furnace, the bottom and hearth are characterized by complicated laying technique and construction process with high quality indices and strict design requirement.
炉底、炉缸是高炉的关键部位，砌筑技术及施工工艺比较复杂，质量指标和设计要求较高。
As key parts of the blast furnace, the bottom and hearth are characterized by complicated laying technique and construction process with high quality indices and strict design requirement.
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