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| 定光圈 | |||
| 调整光阑; 遮光 | |||
| 改变光阑; 改变光圈 | |||
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диафрагмированный : 15 phrases in 4 subjects |
| Antennas and waveguides | 2 |
| General | 7 |
| Radio | 2 |
| Technology | 4 |
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