Under the constant blow ratio, the higher the mainstream velocity is, the higher the average effectiveness and average heat transfer coefficient are.
同一吹风比下，主流速度较高的，平均效率及平均换热系数也较高。
Under the constant blow ratio, the higher the mainstream velocity is, the higher the average effectiveness and average heat transfer coefficient are.
同一吹风比下，主流速度较高的，平均效率及平均换热系数也较高。
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