10148| 4
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請教鑄鐵件上鉆孔和攻絲的最佳方法 |
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點評
只能冷裝,把合金冷凍。鑄鐵受熱變形量太小,不適合熱裝
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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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