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| feed pipeline (Alexander Demidov) | |||
| трубопровод подвода: 25 phrases in 12 subjects |
| Astronautics | 3 |
| Aviation | 3 |
| Energy industry | 6 |
| Gas processing plants | 1 |
| General | 2 |
| Mechanic engineering | 1 |
| Missiles | 2 |
| Nautical | 2 |
| Production | 1 |
| Technology | 1 |
| Thermal engineering | 2 |
| Torpedoes | 1 |