6773| 19
|
詢問彈簧在軸承上的應(yīng)用 |
| ||
| ||
| ||
點(diǎn)評
圓周均布,比如分布3個,,剖開了一邊看不到
| ||
| ||
| ||
小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號-1,,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
GMT+8, 2025-2-19 09:55 , Processed in 0.078636 second(s), 20 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.