2235| 3
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雙徑節花鍵的圖紙,求助 |
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點評
花鍵的各項參數和直齒圓柱齒輪的計算公式是一樣的吧
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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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