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在结霜工况下 ,这种制冷系统的两台换热器交替用作蒸发器和冷凝器 ,同时进行制冷和融霜。实验证明 ,该方法是可行的。
In the frost condition, the two heat exchangers in this refrigeration system alternately act as evaporators and condensers while cooling and defrosting. Experiments show that this method is feasible.