 |
| |||
| aperture width | |||
|
隙缝宽度 : 8 phrases in 4 subjects |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 5 |
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