5675| 6
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關于平面度檢測的問題 |
點評
平面度定義有國標有ISO怎么能隨意檢測,想不明白。
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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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