1928| 8
|
[声学基础] 求助交通噪声等效频率的计算方法? |
评分 | ||
发表于 2010-2-22 11:05
|
显示全部楼层
| ||
发表于 2010-2-22 11:12
|
显示全部楼层
| ||
GMT+8, 2024-12-30 01:59 , Processed in 0.061785 second(s), 18 queries , Gzip On.
Powered by Discuz! X3.4
Copyright © 2001-2021, Tencent Cloud.