 |
| |||
| Umlaufluft f | |||
| Umluft f | |||
| recirculated air: 9 phrases in 5 subjects |
| Agriculture | 1 |
| Air conditioners | 1 |
| Chemistry | 1 |
| Natural resourses and wildlife conservation | 1 |
| Transport | 5 |
|
| |||
| Umlaufluft f | |||
| Umluft f | |||
| recirculated air: 9 phrases in 5 subjects |
| Agriculture | 1 |
| Air conditioners | 1 |
| Chemistry | 1 |
| Natural resourses and wildlife conservation | 1 |
| Transport | 5 |