 |
| |||
| Unterbecken n (Stauanlagen) | |||
| lower reservoir: 9 phrases in 5 subjects |
| Construction | 2 |
| Earth sciences | 2 |
| Electronics | 2 |
| Mechanic engineering | 2 |
| Refrigeration | 1 |
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