6855| 7
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外徑600內徑550的斜齒輪有技工的嗎?(內斜齒) |
點評
上面圖片的要求可以嗎?
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點評
有3D,可以嗎?
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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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