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檢具精度和被測要素的精度相差多少是合適的? |
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點評
請問機床精度和被加工件的精度是什么關系?
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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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