哦，看來大眾用了特殊鑄鐵（還是空氣環境原因？）。這個開了12多年貳拾幾萬公裏的刹車盤狀況看起來還OK：

來源: 老金工於 2020-10-28 19:13:24 [舊帖] [給我悄悄話] 本文已被閱讀：次

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