| |||
| 工程技术人员 | |||
|
engineers and technicians : 4 Phrasen in 4 Thematiken |
| Allgemeine Lexik | 1 |
| Beratung | 1 |
| Erdöl | 1 |
| Geowissenschaften | 1 |
| |||
| 工程技术人员 | |||
|
engineers and technicians : 4 Phrasen in 4 Thematiken |
| Allgemeine Lexik | 1 |
| Beratung | 1 |
| Erdöl | 1 |
| Geowissenschaften | 1 |