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 |