5876| 13
|
有批成品最后磨时发现高频淬火时产生裂纹,一掰就断 |
| ||
| ||
| ||
| ||
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, 2024-12-25 12:30 , Processed in 0.274872 second(s), 18 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.