回复：It is an interesting question. I think

jassco · 2012-08-26 15:22:16Z

回复：It is an interesting question. I think简介

来源: jassco 于 2012-08-26 15:22:16 [档案] [旧帖] [给我悄悄话] 阅读数 : (133 bytes)

回答: 请求解惑：金属导线，用于传导电流，为何金属导线相对不疲劳？由大江川于 2012-08-26 12:50:40

electrons do not contribute to strength of metalic materials. They are free to float.

Best regards,

Alex

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