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大梁導軌安裝面的公差標注疑問 |
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點評
所以,你想表達啥。自已都覺得不靠譜,還得問一下,是為了啥?
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點評
三視圖的三要素你都弄錯了,長對正,高平齊,寬相等。想想你機械繪圖的時候拿著尺子是不是這么畫,怎么到這個圖上就那么隨意的放大視圖?
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