 |
| |||
| 球形反射器; 球面反射器 | |||
| 球面反射镜; 球反射面 | |||
| |||
| 球面反射器; 球面反射镜; 球反射面 | |||
|
spherical reflector : 8 phrases in 2 subjects |
| Air defense | 1 |
| Technology | 7 |
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