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wastewater collection
| and treatment
| wastewater collection | |
| nat.res. | приём сточных вод; сбор сточных вод |
| and treatment | |
| med. | уход и лечение |
| |||
| приём сточных вод; сбор сточных вод | |||
| wastewater collection: 6 phrases in 3 subjects |
| General | 1 |
| Natural resourses and wildlife conservation | 4 |
| Technology | 1 |