问题
单项选择题
当温度t升高时，湿空气的焓h将（）。
A.增加
B.减少
C.不变
D.不一定
答案
参考答案：D
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当温度t升高时，湿空气的焓h将（）。
A.增加
B.减少
C.不变
D.不一定
参考答案：D
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