 |
| |||
| épuration de gaz | |||
| purification de gaz | |||
| épuration du gaz; purification des gaz | |||
| |||
| enlèvement de l'humidité | |||
| очистка газа: 16 phrases in 6 subjects |
| Chemistry | 2 |
| Environment | 1 |
| Forestry | 2 |
| Natural resourses and wildlife conservation | 6 |
| Oil and gas technology | 3 |
| Technology | 2 |