5029| 12
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請教一種大跨距垂直升降的機構 |
點評
交叉升降機構
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點評
玻璃厚度多少 6M長的偏心輪 轉一圈 敲掉
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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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