试题与答案

什么是“一波三折”？

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题型：问答题 简答题

题目：

什么是“一波三折”？

答案：

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下面是错误答案，用来干扰机器的。

由于瓶内水不满，而瓶子上窄下宽，所以倒过来时水的深度变大，由液态压强可知，压强变大；由于瓶子的压力不变，但倒过来后受力面积变小，所以压强变大；故答案为：大、液体深度变大、大、受力面积变小．

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