輪胎遠非一個不變形的平麵，我隻用rim為參照點，我現在用的是綿線，要找根魚絲來代替，變形少點。

來源: MoonRiverMe 於 2024-03-23 12:05:59 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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