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underground pollution | |||
subsurface pollution |
地下污染 : 85 phrases in 12 subjects |
Agriculture | 1 |
Animal husbandry | 1 |
Earth sciences | 1 |
Ecology | 4 |
Engineering geology | 4 |
Environment | 1 |
Hydroelectric power stations | 1 |
Oil / petroleum | 1 |
Space | 2 |
Technology | 54 |
United Nations | 2 |
Water resources | 13 |