两个重力相等,与桌接触面积相等,形状不同的酒杯,装有质量相等的同一种酒,如图设酒对杯底压强为p A 、p B ;两杯酒对桌面的压强为p′ A 、p′ B ,则( )
A.
p A <p B ,p′ A <p′ B
B.
p A =p B ,p′ A =p′ B
C.
p A >p B ,p′ A >p′ B
D.
p A >p B ,p′ A =p′ B
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