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| светоизлучатель | |||
| излучатель света | |||
| оптический передатчик | |||
| 光 发射器: 18 phrases in 6 subjects |
| Astronautics | 1 |
| General | 6 |
| Metrology | 1 |
| Nanotechnology | 1 |
| Oil processing plants | 1 |
| Technology | 8 |
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