 |
| |||
| effluent reuse; waste water use | |||
| waste-water use | |||
| wastewater reuse | |||
| wastewater use | |||
| использование очищенных сточных вод: 4 phrases in 3 subjects |
| Ecology | 2 |
| Technology | 1 |
| Weapons of mass destruction | 1 |
|
| |||
| effluent reuse; waste water use | |||
| waste-water use | |||
| wastewater reuse | |||
| wastewater use | |||
| использование очищенных сточных вод: 4 phrases in 3 subjects |
| Ecology | 2 |
| Technology | 1 |
| Weapons of mass destruction | 1 |