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求教機械設計手冊中錐齒輪主要尺寸初步設計中,齒寬比系數表問題 |
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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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