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| pumping-out system (MichaelBurov) | |||
| система откачки: 38 phrases in 16 subjects |
| Astronautics | 1 |
| Aviation | 1 |
| Chemistry | 3 |
| Construction | 1 |
| Drilling | 1 |
| Electronics | 1 |
| Makarov | 1 |
| Metallurgy | 2 |
| Military | 1 |
| Mining | 1 |
| Nautical | 1 |
| Oil / petroleum | 7 |
| Oil and gas technology | 4 |
| Physics | 2 |
| Sakhalin | 6 |
| Technology | 5 |