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| использование тепла | |||
| утилизация тепла | |||
| регенерация тепла | |||
| heat utilization: 21 phrases in 10 subjects |
| Armored vehicles | 2 |
| Combustion gas turbines | 1 |
| Construction | 2 |
| Electrical engineering | 1 |
| Energy industry | 3 |
| Engines | 3 |
| Metallurgy | 3 |
| Natural resourses and wildlife conservation | 4 |
| Refrigeration | 1 |
| Technology | 1 |