3912| 6
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有做過曲軸設計的大師么 |
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點評
這玩意沒做過,我接觸過的有空壓機的曲軸
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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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