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在看小日子過得不錯(cuò)的人畫的圖,有點(diǎn)疑問 |
點(diǎn)評(píng)
三點(diǎn)可以定圓,六點(diǎn)就比較苛刻了
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點(diǎn)評(píng)
你不知道,三爪卡盤不僅可以收縮,也可以往外脹么?
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點(diǎn)評(píng)
內(nèi)徑千分尺就是三條線接觸,保證定位準(zhǔn)確
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