6116| 12
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硅膠圈加工 |
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點評
金屬的到還好理解,但有些橡膠的好像也是機加出來的
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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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