11063| 15
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有沒有做這種零件的,你們的內球窩和球頭怎么加工的 |
點評
確實,Ra0.4需要研磨拋光
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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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