 |
| |||
| Luftumwälzung f | |||
| Umluftbetrieb m; Umluft f | |||
| Wiedereintritt der Schwaden; Luftrezirkulation n; Rezirkulation f; Schwadenrücksaugung f | |||
| Luftrückführung f | |||
| air recirculation: 17 phrases in 8 subjects |
| Agriculture | 2 |
| Construction | 1 |
| General | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Mining | 2 |
| Technology | 5 |
| Transport | 4 |