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如圖,主軸,請教 |
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點評
材料和熱處理不過關啊。很多機械零部件性能不過關幾乎都卡在這上面了。
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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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