 |
| 污水处理: 554 phrases in 30 subjects |
| Agriculture | 6 |
| Animal husbandry | 3 |
| Architecture | 2 |
| Aviation | 1 |
| Business | 6 |
| Chemistry | 4 |
| China | 2 |
| Consulting | 1 |
| Earth sciences | 12 |
| Ecology | 28 |
| Electronics | 4 |
| Engineering geology | 8 |
| Environment | 10 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 5 |
| Hydroelectric power stations | 6 |
| Management | 1 |
| Metallurgy | 5 |
| Nautical | 15 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 10 |
| Oil processing plants | 1 |
| Rail transport | 4 |
| Shipbuilding | 12 |
| Space | 2 |
| Technology | 328 |
| Textile industry | 4 |
| United Nations | 1 |
| Waste management | 7 |
| Water resources | 64 |