试题与答案

其它条件不变,热泵的供热系数随低温热源温度的提高、高温热源温度的降低、过冷度的()而

题型:单项选择题

题目:

其它条件不变,热泵的供热系数随低温热源温度的提高、高温热源温度的降低、过冷度的()而提高。

A.加大

B.减小

C.不变

D.无法确定

答案:

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