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pump efficiency: 28 phrases in 13 subjects |
Astronautics | 1 |
Automated equipment | 1 |
Energy industry | 1 |
Hydrology | 1 |
Makarov | 1 |
Mechanic engineering | 4 |
Natural resourses and wildlife conservation | 2 |
Oil / petroleum | 6 |
Oil and gas | 1 |
Oilfields | 1 |
Pumps | 1 |
Technology | 7 |
Water resources | 1 |