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трудноочищаемая | сточная вода
| сточная вода | |
| chem. | drain water |
| construct. | foul water; run-off; run-off water |
| ecol. | liquor |
| environ. | effluent; sewage |
| geol. | discharged water |
| nautic. | sewage water |
| O&G | sewage |
| трудноочищаемая: 11 phrases in 5 subjects |
| Ecology | 2 |
| Energy industry | 4 |
| Makarov | 2 |
| Technology | 2 |
| Tobacco industry | 1 |