 |
| |||
| stage mass flow; turnover; stage circulation | |||
| débit de circulation: 17 phrases in 3 subjects |
| Aviation | 9 |
| Construction | 1 |
| Transport | 7 |
|
| |||
| stage mass flow; turnover; stage circulation | |||
| débit de circulation: 17 phrases in 3 subjects |
| Aviation | 9 |
| Construction | 1 |
| Transport | 7 |