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指出了目前新风机组中使用板形翅片圆管簇换热器的缺陷，介绍了板形翅片椭圆管簇换热器的优点及计算方法，评价了带有翅片椭圆管簇换热器的新风机组的应用前景。
The disadvantages of the plate-fin-fin tube heat exchanger used in the fresh air unit are pointed out. The advantages and calculation methods of the plate-fin-tube elliptic tube heat exchanger are introduced. The finned oval tube heat exchanger The application prospects of the new fan unit.