4508| 13
|
軸承的配合、潤滑、粗糙度及SPB軸向游隙計算 |
點評
是文字不清楚還是里面說的內容不清楚呀?
| ||
| ||
| ||
| ||
| ||
Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
GMT+8, 2025-7-22 11:56 , Processed in 0.069377 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.