按照這篇文章的說法，關鍵是下雪下雨的時候，舊輪胎的摩擦力比新輪胎大一些。汽車不容易打滑。

來源: eastshore 於 2014-09-21 19:54:40 [舊帖] [給我悄悄話] 本文已被閱讀：次

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