 |
| |||
| 电子交换 | |||
|
electron exchange : 11 Phrasen in 6 Thematiken |
| Chemie | 3 |
| Erdöl | 1 |
| Kunststoffe | 1 |
| Metallurgie | 2 |
| Polymere | 3 |
| Weltraum | 1 |
|
| |||
| 电子交换 | |||
|
electron exchange : 11 Phrasen in 6 Thematiken |
| Chemie | 3 |
| Erdöl | 1 |
| Kunststoffe | 1 |
| Metallurgie | 2 |
| Polymere | 3 |
| Weltraum | 1 |