7185| 12
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請教:同一把絲錐,機攻和手攻,攻出的螺紋的中徑會有差異嗎? |
點評
檢驗螺紋時用螺紋規,止規端檢的就是中徑。
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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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