 |
| |||
| clapet antiretour; contre-vanne m | |||
| back valve: 21 phrases in 8 subjects |
| Automated equipment | 1 |
| Coal | 3 |
| Earth sciences | 1 |
| Measuring instruments | 3 |
| Mechanic engineering | 3 |
| Metallurgy | 5 |
| Technology | 3 |
| Transport | 2 |
|
| |||
| clapet antiretour; contre-vanne m | |||
| back valve: 21 phrases in 8 subjects |
| Automated equipment | 1 |
| Coal | 3 |
| Earth sciences | 1 |
| Measuring instruments | 3 |
| Mechanic engineering | 3 |
| Metallurgy | 5 |
| Technology | 3 |
| Transport | 2 |