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| кольцевой магнитный сердечник | |||
| кольцевой сердечник (магнитный); кольцевой магнитный сердечник | |||
| core ring: 24 phrases in 12 subjects |
| Electronics | 4 |
| Energy industry | 1 |
| Foundry | 1 |
| High energy physics | 2 |
| Mechanic engineering | 1 |
| Medical | 1 |
| Mining | 1 |
| Nautical | 1 |
| Oil / petroleum | 6 |
| Oil and gas | 1 |
| Oil and gas technology | 2 |
| Technology | 3 |