 |
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| 通信控制规程 | |||
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| 通信控制规程 | |||
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communications control procedure : 5 Phrasen in 3 Thematiken |
| Elektronik | 2 |
| Informationstechnik | 1 |
| Luftfahrt | 2 |
|
| |||
| 通信控制规程 | |||
| |||
| 通信控制规程 | |||
|
communications control procedure : 5 Phrasen in 3 Thematiken |
| Elektronik | 2 |
| Informationstechnik | 1 |
| Luftfahrt | 2 |