13432| 38
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菜鳥問題,請問這公差標注有問題么? |
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點評
請問如何理解?能給個通俗易懂的表達么?
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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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