 |
| |||
| 不同强度钢材组成钢板梁; 不同材质组成的合成梁; 组合梁 | |||
|
hybrid girder : 2 phrases in 1 subject |
| Bridge construction | 2 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips