2130| 1
|
[强度理论] Q235 C型钢的板厚为2.5mm,粱间连接方式采用焊接还是螺接好? |
| ||
发表于 2010-11-11 12:18
|
显示全部楼层
评分 | ||
GMT+8, 2024-12-27 02:40 , Processed in 0.132121 second(s), 18 queries , Gzip On.
Powered by Discuz! X3.4
Copyright © 2001-2021, Tencent Cloud.