针对方形翅片管加工特点，确定了翅片翻边的相关工艺尺寸，提出了套片式翅片管的热套工艺方案。
The relative sizes of the turn down rims of the fins were determined for the processing characteristics of square finned tubes, the shrink fit technology program of the casing fin tubes was proposed.
针对方形翅片管加工特点，确定了翅片翻边的相关工艺尺寸，提出了套片式翅片管的热套工艺方案。
The relative sizes of the turn down rims of the fins were determined for the processing characteristics of square finned tubes, the shrink fit technology program of the casing fin tubes was proposed.
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