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| центральная ось | |||
| 中心轴中轴: 52 phrases in 12 subjects |
| Aviation | 3 |
| Chemistry | 1 |
| Construction | 2 |
| Electronics | 2 |
| General | 22 |
| Machine components | 1 |
| Mathematics | 4 |
| Metallurgy | 1 |
| Military | 1 |
| Missiles | 1 |
| Nautical | 1 |
| Technology | 13 |
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