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общий органический углерод |
carbon total organic: 18 phrases in 10 subjects |
Astronautics | 2 |
Chemistry | 3 |
Ecology | 4 |
Electronics | 1 |
Energy industry | 3 |
Environment | 1 |
Facilities | 1 |
Natural resourses and wildlife conservation | 1 |
Oil / petroleum | 1 |
Tengiz | 1 |