回複：回複：回複：幾種轎車窗框的結構測試

來源: 於 2010-08-28 20:21:52 [舊帖] [給我悄悄話] 本文已被閱讀：次

Do you think there is big difference between 1.5mm and 3mm? I am a mechanical engineer. To make difference just by steel bar only, half inch is minimum.