4200| 9
|
什么材料可以齿轮淬火过后,硬度达HRA65 |
发表于 2013-5-9 20:47
|
显示全部楼层
| ||
发表于 2014-4-27 21:43
|
显示全部楼层
| ||
GMT+8, 2024-4-29 16:29 , Processed in 0.159583 second(s), 10 queries , MemCache On.
Powered by Discuz! X3.4 Licensed
© 2001-2023 Discuz! Team.