2819| 6
|
45钢淬火后硬度不均匀 |
| ||
发表于 2014-4-22 08:54:38
|
显示全部楼层
| ||
发表于 2014-4-22 12:48:07
|
显示全部楼层
| ||
| |
| |
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, 2024-11-24 16:20 , Processed in 0.055012 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.