 |
| |||
| staubfreie Luft; reine Luft | |||
| Frischluft f; Reinluft f | |||
| чистый воздух: 16 phrases in 7 subjects |
| Automobiles | 2 |
| Engines | 3 |
| Environment | 1 |
| General | 7 |
| Microelectronics | 1 |
| Optics branch of physics | 1 |
| Pneumatics | 1 |
|
| |||
| staubfreie Luft; reine Luft | |||
| Frischluft f; Reinluft f | |||
| чистый воздух: 16 phrases in 7 subjects |
| Automobiles | 2 |
| Engines | 3 |
| Environment | 1 |
| General | 7 |
| Microelectronics | 1 |
| Optics branch of physics | 1 |
| Pneumatics | 1 |