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为什么触电会吸住
更新时间: 2020-11-11 00:00:00  

电击会使生物肌肉收缩。如果通过持续电流,就会引发肌肉痉挛。人习惯于用手的内部碰触物体,如果被电,肌肉收缩,手就会呈现紧握的状态。看上去好像人被吸住了一样。如果是胳膊面向人体的这一面触电,胳膊也会向内,以至勾在了带电物体上面。所以,电工在碰触电线的时候会用指甲盖或者是手背。如果有电,肌肉收缩,就把人的手弹开了。

关键词: 为什么 触电

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