2009| 8
|
[声学基础] 声音在气体中传播的速度与气体密度的定量关系 |
发表于 2011-10-22 10:45
|
显示全部楼层
| ||
| ||
| ||
发表于 2011-11-13 21:16
|
显示全部楼层
| ||
GMT+8, 2024-11-19 04:41 , Processed in 0.065135 second(s), 18 queries , Gzip On.
Powered by Discuz! X3.4
Copyright © 2001-2021, Tencent Cloud.