 |
| |||
| contaminated water purification | |||
| wastewater purging | |||
| |||
| polluted water treatment | |||
| очистка загрязнённых вод: 4 phrases in 4 subjects |
| Construction | 1 |
| Oil and gas | 1 |
| Sakhalin | 1 |
| Sakhalin R | 1 |
|
| |||
| contaminated water purification | |||
| wastewater purging | |||
| |||
| polluted water treatment | |||
| очистка загрязнённых вод: 4 phrases in 4 subjects |
| Construction | 1 |
| Oil and gas | 1 |
| Sakhalin | 1 |
| Sakhalin R | 1 |