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| направляющая окружность | |||
| направляющая окружение | |||
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导圆 : 45 phrases in 9 subjects |
| Antennas and waveguides | 4 |
| Automated equipment | 2 |
| Cables and cable production | 1 |
| Electronics | 8 |
| General | 8 |
| Military | 1 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Technology | 19 |
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