6155| 18
|
42Crmo,淬火后回火,47Hrc,用什么刀片呢 |
| ||
发表于 2018-10-16 20:24:39
|
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, 2024-11-15 01:36 , Processed in 0.057486 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.