7422| 21
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這個(gè)圖是什么意思 缺少尺寸嗎 |
點(diǎn)評(píng)
...同意,。。。。。。。
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點(diǎn)評(píng)
R35的圓心在R60的同心圓上。半徑為R75。另外一個(gè)約束尺寸就是40度的弧長(zhǎng)。
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