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| профиль прямоугольного сечения | |||
| прямоугольное сечение | |||
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矩形 截面 : 18 phrases in 5 subjects |
| Antennas and waveguides | 1 |
| Construction | 2 |
| Electronics | 4 |
| General | 2 |
| Technology | 9 |
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