2078| 1
|
40# HB:220-300 锻打头部Φ21×15 头部硬度要求HRC:40-45 请问工艺怎么走 |
| ||
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, 2024-11-28 16:38 , Processed in 0.065997 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.