3349| 25
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有個法蘭內孔橢圓,想請教一下大神 |
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點評
紅色部分放軸承的,超差影響使用
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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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