 |
| |||
| полярность постоянного тока | |||
|
direct-current polarity : 10 Phrasen in 3 Thematiken |
| Metallurgie | 3 |
| Schweißen | 6 |
| Technik | 1 |
|
| |||
| полярность постоянного тока | |||
|
direct-current polarity : 10 Phrasen in 3 Thematiken |
| Metallurgie | 3 |
| Schweißen | 6 |
| Technik | 1 |