请用�学的角度解释一下为什么游泳池里面的球在水压之下没有滚走而是原地不停旋转? 知乎 Template




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tomski请用�学的角度解释一下为什么游泳池里面的球在水压之下没有滚走而是原地不停旋转? 知乎 coloring