filtration rate: 31 phrases in 14 subjects |
Biology | 2 |
Caspian | 1 |
Construction | 3 |
Ecology | 3 |
Electronics | 2 |
Energy industry | 3 |
Food industry | 1 |
Medical | 7 |
Metallurgy | 1 |
Mining | 1 |
Nephrology | 3 |
Oil and gas technology | 1 |
Public utilities | 1 |
Water resources | 2 |