2742| 2
|
[转子动力学] 节径(nodal diameter)和节圆(nodal circle)是什么意思 |
| ||
发表于 2011-11-4 16:19
|
显示全部楼层
| ||
| ||
GMT+8, 2024-11-16 10:20 , Processed in 0.054670 second(s), 17 queries , Gzip On.
Powered by Discuz! X3.4
Copyright © 2001-2021, Tencent Cloud.