 |
| |||
| speed regulation | |||
|
速率调节 : 12 phrases in 7 subjects |
| Electric machinery | 2 |
| Electronics | 2 |
| Mechanics | 1 |
| Refrigeration | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 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