4257| 30
|
请教下热处理的问题 |
| ||
| ||
| ||
点评
真空分气淬和夜淬,如果说气淬只是表面吧?
| ||
| ||
点评
真空分气淬和夜淬,如果说气淬只是表面吧?...
| ||
| ||
小黑屋|手机版|Archiver|机械必威体育网址 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
GMT+8, 2024-11-24 12:43 , Processed in 0.055739 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.