| |||
untreated water |
未处理 水 : 43 phrases in 12 subjects |
Animal husbandry | 1 |
Earth sciences | 1 |
Ecology | 3 |
Engineering geology | 2 |
Environment | 2 |
General | 1 |
Hydroelectric power stations | 3 |
Metallurgy | 3 |
Nautical | 1 |
Oil / petroleum | 2 |
Technology | 20 |
Water resources | 4 |