2109| 1
|
20CrMnTi 退火软化处理 冷挤压 再QPQ 变形大吗 |
| ||
小黑屋|手机版|Archiver|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
GMT+8, 2024-11-25 02:35 , Processed in 0.054461 second(s), 17 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.