The furnace top inner lining construction is important character of hot air furnace type. Because it decides furnace lining lifetime.
炉顶内衬结构是热风炉类型的重要特征，决定着热风炉炉型和炉衬寿命的长短。
The furnace top inner lining construction is important character of hot air furnace type. Because it decides furnace lining lifetime.
炉顶内衬结构是热风炉类型的重要特征，决定着热风炉炉型和炉衬寿命的长短。
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