 |
| |||
| высоковольтное испытание | |||
|
high- voltage testing : 5 Phrasen in 4 Thematiken |
| Bergbau | 1 |
| Elektrotechnik | 1 |
| Erdöl | 2 |
| Technik | 1 |
|
| |||
| высоковольтное испытание | |||
|
high- voltage testing : 5 Phrasen in 4 Thematiken |
| Bergbau | 1 |
| Elektrotechnik | 1 |
| Erdöl | 2 |
| Technik | 1 |