 |
| |||
| 剩余比率 | |||
| residual rate: 18 phrases in 6 subjects |
| Electronics | 2 |
| Hydroelectric power stations | 2 |
| Metallurgy | 1 |
| Space | 1 |
| Technology | 8 |
| Telecommunications | 4 |
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