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| эффективность использования (Alexander Demidov) | |||
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utilization efficiency : 17 phrases in 10 subjects |
| Astronautics | 1 | Energy system | 1 | Metallurgy | 1 |
| Construction | 1 | Gas processing plants | 2 | Water resources | 1 |
| Economics | 1 | Geophysics | 1 | ||
| Electrical engineering | 2 | Makarov | 6 |