 |
| |||
| air expansion radio | |||
| air expansion ratio (风洞进口截面积与扩散段第一转弯处截面积之比) | |||
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