 |
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| waste water renovation | |||
| wastewater renovation | |||
| waste water clarification; waste water purification | |||
| waste water purification Processing of waste water for reuse (废水再利用的处理过程。); polishing | |||
| purification of waste water; purifying of wastewater; wastewater purification | |||
| |||
| waste water purifying | |||
| 废水净化: 25 phrases in 7 subjects |
| Electronics | 1 |
| Genetics | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 2 |
| Technology | 17 |
| Textile industry | 2 |
| Water resources | 1 |