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为酮苯糠醛装置加热炉炉管更换而提出的施工方法 ,采用炉管分片预制安装就位,不仅保证了施工质量,施工工期也大为缩短。
The proposed method for the furnace tube replacement of the ketone-benzene-furfural unit is in place by preheating furnace tube chips, which not only ensures the quality of the construction but also shortens the construction period.