|
2344| 0
|
O形圈轴向密封，受内部压力与受外部压力的区别 |
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, 2024-11-25 06:45 , Processed in 0.050442 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.
发表于 2009-11-6 11:41:53