4582| 5
|
哪位大侠推荐推荐密封设计和密封件方面的书籍,谢谢 |
| ||
点评
谢谢
| ||
| ||
小黑屋|手机版|Archiver|机械必威体育网址 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
GMT+8, 2025-4-5 04:13 , Processed in 0.074080 second(s), 19 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.