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長沉孔深度怎么標注 |
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點評
錐形沉孔、柱形沉孔都可以有專用符號表示,并說明深度就可以了
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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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