 |
| |||
| удаление ила; удаление осадка; удаление шлама; устранение ила | |||
| évacuation des boues: 11 phrases in 4 subjects |
| Construction | 4 |
| Environment | 1 |
| Natural resourses and wildlife conservation | 5 |
| Oil and gas technology | 1 |
|
| |||
| удаление ила; удаление осадка; удаление шлама; устранение ила | |||
| évacuation des boues: 11 phrases in 4 subjects |
| Construction | 4 |
| Environment | 1 |
| Natural resourses and wildlife conservation | 5 |
| Oil and gas technology | 1 |