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火车怎么刹车的，怎么个气刹法？

2025-03-29 23:08:45

推荐回答（1个）

回答1：

火车的刹车是金属刹车轧瓦将车轮抱紧，就刹车了。同常行进中的火车是压力空气将轧瓦推离车轮，刹车时是放气轧瓦靠弹簧力压紧车轮，实现刹车。
这种放气刹车的方式安全性高（如果是充气给轧瓦施力刹车的话，一旦漏气刹车就无效了。）

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