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point source of pollution |
污染点源 : 150 phrases in 10 subjects |
Earth sciences | 10 |
Ecology | 7 |
Engineering geology | 2 |
Environment | 1 |
Hydroelectric power stations | 1 |
Metallurgy | 2 |
Oil / petroleum | 1 |
Technology | 73 |
United Nations | 1 |
Water resources | 52 |