6865| 10
|
哪种铜导电、耐磨比较好 |
| ||
发表于 2015-1-28 22:06:41
|
显示全部楼层
| |
点评
那就电极铜,铬锆铜
| ||
发表于 2015-1-31 14:03:03
|
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, 2024-12-23 18:35 , Processed in 0.052476 second(s), 17 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.