2069| 3
|
为什么振动试验的参数里既有谱密度又有Overall effective value |
| ||
发表于 2011-8-15 20:20
|
显示全部楼层
| ||
GMT+8, 2024-11-8 15:01 , Processed in 0.078978 second(s), 17 queries , Gzip On.
Powered by Discuz! X3.4
Copyright © 2001-2021, Tencent Cloud.