 |
| |||
| opening force | |||
|
开启 力 : 31 phrases in 10 subjects |
| Automobiles | 12 |
| Compressors | 2 |
| Drilling | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Hydroelectric power stations | 3 |
| Nautical | 1 |
| Oil / petroleum | 2 |
| Space | 2 |
| Technology | 6 |
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