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| кольцевая оболочка | |||
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ring shell : 41 phrases in 15 subjects |
| Drilling | 1 |
| Geology | 1 |
| Makarov | 6 |
| Mechanic engineering | 3 |
| Mechanics | 1 |
| Military | 1 |
| Nanotechnology | 3 |
| Nautical | 5 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Rail transport | 8 |
| Shipbuilding | 3 |
| Technology | 2 |
| Trademark | 1 |
| Transport | 3 |