1902| 0
|
钴基涂层和碳化钨涂层相配合,为什么容易出现很明显的划伤? |
| ||
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, 2024-11-24 21:53 , Processed in 0.052764 second(s), 18 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.