A cracking failure analysis of the spirally welded tubes of the homemade low carbon steel was made.
对一起国产低碳钢螺旋焊管的断裂失效进行了分析。
In order to resolve this problem, a detail study was carried out on using steel spirally fluted tubes replacing copper plain tubes without lowering the previous performance of heat transfer.
针对该问题，开展了用钢质螺旋槽管替代原有铜光滑管并使其达到原有换热性能的研究。
In order to resolve this problem, a detail study was carried out on using steel spirally fluted tubes replacing copper plain tubes without lowering the previous performance of heat transfer.
针对该问题，开展了用钢质螺旋槽管替代原有铜光滑管并使其达到原有换热性能的研究。
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