73| 2
|
[互助解答区] 请教:多楔带与带轮的摩擦系数一般是多少?带轮是灰铁材 |
Archiver|小黑屋|联系我们|仿真互动网 ( 京ICP备15048925号-7 )
GMT+8, 2024-3-29 02:10 , Processed in 0.033483 second(s), 15 queries , Gzip On, MemCache On.
Powered by Discuz! X3.5 Licensed
© 2001-2024 Discuz! Team.