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| 垂直波束; 垂直信标 | |||
| 竖梁 | |||
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vertical beam : 19 phrases in 6 subjects |
| Air defense | 1 |
| Automobiles | 2 |
| Aviation | 1 |
| Electronics | 5 |
| Rail transport | 2 |
| Technology | 8 |
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