3472| 6
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有關《GB/T3452.3-2005》疑惑之處 |
點評
尺寸φd8作為一個外圓柱面不應該用軸公差嗎?
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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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