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自動攻絲機以及人工攻絲漏攻絲問題 |
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相關帖子
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點評
切削絲錐攻絲前后底孔徑不變。
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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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