1891| 2
|
[机械工程] 噪音源分:低频,中频,高频,如何针对性的选择吸音材料?请... |
发表于 2015-12-7 08:26
|
显示全部楼层
| ||
GMT+8, 2025-1-26 12:36 , Processed in 0.080841 second(s), 18 queries , Gzip On.
Powered by Discuz! X3.4
Copyright © 2001-2021, Tencent Cloud.