 |
| |||
| 双声道; 双声迹; 双磁迹 | |||
|
dual track : 6 Phrasen in 6 Thematiken |
| Eisenbahnwesen | 1 |
| Luftabwehr | 1 |
| Luftfahrt | 1 |
| Metallurgie | 1 |
| Technik | 1 |
| Wirtschaft | 1 |
|
| |||
| 双声道; 双声迹; 双磁迹 | |||
|
dual track : 6 Phrasen in 6 Thematiken |
| Eisenbahnwesen | 1 |
| Luftabwehr | 1 |
| Luftfahrt | 1 |
| Metallurgie | 1 |
| Technik | 1 |
| Wirtschaft | 1 |