Practice shows the furnace can be used safely and its construction is very reasonable.
实践表明，三相圆柱形电阻炉使用可靠，结构基本合理。
The present paper appraised appropriate standard of burden construction of blast furnace.
提出了评价合理炉料结构的标准。
The present paper appraised appropriate standard of burden construction of blast furnace.
提出了评价合理炉料结构的标准。
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