2628| 6
|
軸承載荷性質和配合 |
| ||
點評
第二個是負重在旋轉,第三個是負重靜止,所以現在連基本的閱讀理解能力都喪失了嗎
| ||
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, 2025-7-28 07:31 , Processed in 0.076872 second(s), 19 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.