 |
|
举 例 : 43 phrases in 14 subjects |
| Air defense | 1 |
| Architecture | 4 |
| Bridge construction | 3 |
| Business | 2 |
| China | 1 |
| Cryptography | 1 |
| Drilling | 1 |
| Earth sciences | 3 |
| Economy | 3 |
| Electronics | 3 |
| General | 14 |
| Metallurgy | 1 |
| Project management | 1 |
| Technology | 5 |
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