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哪種機構可以讓兩個桿互相靠近,如圖 |
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點評
百度下 剪式機構吧 很多種演變
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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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