3920| 16
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請教一下大家鏈輪的計算問題 |
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點評
能直接貼?還是
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點評
我這個是短節距精密套筒滾子鏈的鏈輪的計算
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小黑屋|手機版|Archiver|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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