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冬天为什么桥的底下不结冰

更新时间: 2020-07-14 00:00:00     

水在通过桥下时,由于桥桩的存在使得河道变窄,导致水的流速加快。在桥桩处,水还会出现紊流,水的流动使得冰难以形成。静水比流水更易结冰也是这个道理。

关键词: 冬天 为什么 底下 结冰

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