2730| 3
|
o型圈及Yx型密封圈的设计参考 |
| ||
| ||
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, 2024-12-24 21:13 , Processed in 0.051078 second(s), 16 queries .
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.