 |
| |||
| 液体〔燃料〕火箭发动机 | |||
| 液体火箭发动机 | |||
| liquid rocket engine: 24 phrases in 2 subjects |
| General | 1 |
| Space | 23 |
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