6448| 7
|
40cr回火硬度要在35-40之間 |
點評
其實這種常用的隨便熱處理手冊查查,或者上網查查基本都八九不離十
| ||
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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