 |
| |||
| 塑性理论 | |||
| plastic theory: 30 phrases in 7 subjects |
| Bridge construction | 2 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 3 |
| Metallurgy | 3 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 19 |
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