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основная масляная магистраль |
main delivery: 18 phrases in 11 subjects |
Armored vehicles | 2 |
Astronautics | 1 |
Automobiles | 1 |
Construction | 1 |
Drilling | 2 |
Firefighting and fire-control systems | 2 |
Oil / petroleum | 1 |
Public utilities | 2 |
Rail transport | 3 |
Shipbuilding | 1 |
Technology | 2 |