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我設計的螺紋銑刀,做出來了! |
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點評
一家做發動機缸體的以前用日本OSG的絲錐,現在技改用我的螺紋銑刀。
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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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