5140| 11
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如圖所示 。誰能幫忙設計個機構 完成這個6mm圓鋼發(fā)生彎曲的動作 |
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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,浙公網安備33038202004372號 )
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