 |
| |||
| steel wall | |||
|
钢墙 : 91 phrases in 6 subjects |
| Architecture | 2 |
| Engineering geology | 3 |
| Hydroelectric power stations | 3 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Technology | 80 |
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