问题
单项选择题
静止流体中的高度差为h的两点,相对于选定的基准面,其比压力能差为()。
A.h
B.ρgh
C.ρh
D.0
答案
参考答案:A
静止流体中的高度差为h的两点,相对于选定的基准面,其比压力能差为()。
A.h
B.ρgh
C.ρh
D.0
参考答案:A
用所给词的适当形式填空。 | |
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