From the results of heat transfer model, generally used critical solid fraction and limit solid fraction, the soft reduction zone was obtained.

结合传热模型计算的温度分布和普遍使用的临界固相率、极限固相率，得出了轻压下的压下区域。

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In this design, the heat transfer efficiency is generally limited by the size of the furnace and the temperature limit of the refractories.

采用这种方法时，传热效率往往会受到窑炉的尺寸大小和窑炉耐火材料所能承受的极限温度的限制而大打折扣。

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In this design, the heat transfer efficiency is generally limited by the size of the furnace and the temperature limit of the refractories.

采用这种方法时，传热效率往往会受到窑炉的尺寸大小和窑炉耐火材料所能承受的极限温度的限制而大打折扣。

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