1514| 9
|
测梁的固有频率来判断梁的质量好坏有多大的把握 |
发表于 2008-12-21 00:02
|
显示全部楼层
| ||
| ||
发表于 2009-1-2 10:24
|
显示全部楼层
| ||
发表于 2009-1-2 10:27
|
显示全部楼层
| ||
发表于 2009-1-2 10:34
|
显示全部楼层
| |
| ||
发表于 2009-1-6 12:29
|
显示全部楼层
| ||
GMT+8, 2024-11-8 23:32 , Processed in 0.058531 second(s), 18 queries , Gzip On.
Powered by Discuz! X3.4
Copyright © 2001-2021, Tencent Cloud.