 |
| |||
| variable area nozzle | |||
|
截面可调 喷管 : 5 phrases in 3 subjects |
| Aviation | 1 |
| Space | 2 |
| Technology | 2 |
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