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кольцевая оболочка |
ring shell: 39 phrases in 14 subjects |
Drilling | 1 |
Geology | 1 |
Makarov | 6 |
Mechanic engineering | 3 |
Mechanics | 1 |
Nanotechnology | 3 |
Nautical | 5 |
Oil / petroleum | 2 |
Oil and gas | 1 |
Rail transport | 7 |
Shipbuilding | 3 |
Technology | 2 |
Trademark | 1 |
Transport | 3 |