7800| 7
|
[热处理] 45号钢退火硬度最高能达到HRB多少 |
发表于 2010-1-19 14:27
|
显示全部楼层
| ||
发表于 2010-7-18 18:41
|
显示全部楼层
| |
GMT+8, 2024-5-9 14:05 , Processed in 0.165530 second(s), 10 queries , MemCache On.
Powered by Discuz! X3.4 Licensed
© 2001-2023 Discuz! Team.