 |
| |||
| exchange chemical reaction | |||
|
химическая реакция обмена : 3 Phrasen in 3 Thematiken |
| Chemie | 1 |
| Erdöl und Erdgas | 1 |
| Metallurgie | 1 |
|
| |||
| exchange chemical reaction | |||
|
химическая реакция обмена : 3 Phrasen in 3 Thematiken |
| Chemie | 1 |
| Erdöl und Erdgas | 1 |
| Metallurgie | 1 |