 |
| |||
| inner surface; interior surface; internal surface | |||
|
Innenflaeche : 4 phrases, 2 sujets |
| Industrie de l'énergie | 1 |
| Technologie | 3 |
|
| |||
| inner surface; interior surface; internal surface | |||
|
Innenflaeche : 4 phrases, 2 sujets |
| Industrie de l'énergie | 1 |
| Technologie | 3 |