樓主: 六角車
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別拿知識不當(dāng)技術(shù) |
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點評
標準的回轉(zhuǎn)體找點,,有的機械制圖書上就有,。
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,,浙公網(wǎng)安備33038202004372號 )
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