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| 无线电发射 | |||
| 无线电发报机 | |||
| 无线电发射机 | |||
| 无线电发送器; 无线电传送机 | |||
| radio transmitter: 44 phrases in 10 subjects |
| Agriculture | 1 |
| Air defense | 7 |
| Aviation | 3 |
| Business | 2 |
| Earth sciences | 1 |
| Electronics | 5 |
| Hydroelectric power stations | 1 |
| Shipbuilding | 1 |
| Space | 7 |
| Technology | 16 |
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