回复：回复：回复：几种轿车窗框的结构测试

来源: 于 2010-08-28 20:21:52 [旧帖] [给我悄悄话] 本文已被阅读：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.