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point sources | |||
point source pollution | |||
point source | |||
point pollution source; point source of pollution | |||
conventional point sources |
点污染源 : 144 phrases in 9 subjects |
Earth sciences | 9 |
Ecology | 7 |
Engineering geology | 2 |
Environment | 1 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Technology | 71 |
United Nations | 1 |
Water resources | 51 |