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我想在鈑金板上打1個直徑6.4的光孔,異形孔向導的類型中應選暗銷孔還是鉆孔大小?謝謝! |
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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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