5418| 10
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尋熱處理:42CrMo鍛件軸類,熱處理HB280-340 |
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點評
你們在哪里的,我和我朋友過來幫你解決!
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點評
明天看化學成分再說。估計之后的鍛件材料有點問題。
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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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