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【单选题】
下面哪一种说法不正确
A.
差动式调压室的稳定断面是指大井和面积之和
B.
竖井的断面大小决定式调压室的稳定断面大小
C.
阻抗式调压室的稳定断面大小取决于阻抗的大小
D.
简单式调压室的稳定断面就是调压室的面积
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seemed to
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