1647| 2
|
[结构振动] 讨论-----如何用理论计算十字梁的固有频率 |
| ||
发表于 2011-6-12 21:01
|
显示全部楼层
| ||
发表于 2011-7-15 17:14
|
显示全部楼层
| |
GMT+8, 2024-12-27 09:49 , Processed in 0.125511 second(s), 22 queries , Gzip On.
Powered by Discuz! X3.4
Copyright © 2001-2021, Tencent Cloud.