when a wire is broken by bending it back and forth rapidly some of the work is transformed into heat and the wire gets hot
当导线来回快速弯曲而折断时，部分功转化为热，导线变热
以上为机器翻译结果，长、整句建议使用 人工翻译 。
When a wire is broken by bending it back and forth rapidly, some of the work is transformed into heat and the wire gets hot.
当把导线快速地(通过)来回弯曲折断时，部分功就转换成热，所以导线变热。
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