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промышленные сточные воды : 45 phrases in 16 subjects |
| Construction | 3 |
| Ecology | 11 |
| Economics | 1 |
| Energy industry | 3 |
| Environment | 1 |
| General | 2 |
| Hydraulic engineering | 1 |
| Makarov | 6 |
| Microelectronics | 1 |
| Nuclear physics | 2 |
| Oil / petroleum | 1 |
| Production | 1 |
| Public utilities | 2 |
| Technology | 4 |
| Transport | 1 |
| Water supply | 5 |