5389| 12
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這個關節是如何設計的,請大神們指點一二。 |
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點評
正解,參看手機支架。
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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