 |
| |||
| écoulement en tunnel | |||
| pipe flow: 6 phrases in 4 subjects |
| Construction | 2 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |
| Transport | 2 |
|
| |||
| écoulement en tunnel | |||
| pipe flow: 6 phrases in 4 subjects |
| Construction | 2 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |
| Transport | 2 |