| |||
| Umluftanlage f | |||
| Umluftsystem n | |||
| Treibwassersystem n | |||
| Labyrinth-Seal-System n; Labyrinth Seal System | |||
|
recirculation system : 14 phrases in 7 subjects |
| Agriculture | 2 |
| Automobiles | 4 |
| General | 1 |
| Mechanic engineering | 3 |
| Medical appliances | 1 |
| Technology | 2 |
| Transport | 1 |