9016| 20
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這零件小孔是怎么做的? |
點評
模壓件,鋁的
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點評
電子束焊,我干過類似的活
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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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