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| трубная проводка (Alexander Demidov) | |||
| трубопровод (для протягивания кабеля) | |||
| pipe conduit: 20 phrases in 10 subjects |
| Aviation | 1 |
| Construction | 6 |
| Electrical engineering | 2 |
| Electronics | 2 |
| Firefighting and fire-control systems | 2 |
| Mining | 1 |
| Nautical | 1 |
| Pipelines | 1 |
| Road works | 1 |
| Technology | 3 |