4065| 5
|
粉末冶金,没什么硬度,铜基的,用什么刀片效果比较耐磨 |
| ||
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, 2025-5-2 06:13 , Processed in 0.072044 second(s), 13 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.