92101| 77
|
用45#鋼制作,要求硬度HRC35--40,淬火還是調質處理? |
| ||
| ||
| ||
| ||
其實就是那么回事
| ||
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 )
GMT+8, 2025-7-23 06:13 , Processed in 0.072279 second(s), 19 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.