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风动石为什么不倒揭秘
更新时间: 2020-11-11 00:00:00  

风动石不倒是因为风动石晃动时的重心垂点位移范围不超与下面岩石的接触面。上面岩石的重心落在下面岩石边缘的接触面上,接触面虽有倾斜,却有几个接触点支撑着,而且上面大石的重心偏下,只会微晃而不会滚动。

关键词: 风动石 为什么 揭秘

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