3583| 8
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這個折疊支撐有什么問題 |
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點評
鉸接的地方圓柱銑成扁應該沒問題吧
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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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