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| соотношение плотностей | |||
| 密度比: 22 phrases in 9 subjects |
| Aviation | 1 |
| Electronics | 4 |
| Energy industry | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Firefighting and fire-control systems | 1 |
| General | 4 |
| Information technology | 1 |
| Oil / petroleum | 2 |
| Technology | 7 |
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