8464| 23
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這個零件經(jīng)過氮化處理,回來時發(fā)現(xiàn)有銹斑 |
點評
哦 ,我們那個是氣體氮化。車完沒事,也許是在熱處理廠放的時間比較長?
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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