 |
| |||
| 抽水法 | |||
|
pumping method : 18 Phrasen in 7 Thematiken |
| Bohren | 1 |
| Elektrische Maschinen | 1 |
| Ingenieurgeologie | 2 |
| Marine | 1 |
| Mineralogie | 1 |
| Technik | 11 |
| Weltraum | 1 |
|
| |||
| 抽水法 | |||
|
pumping method : 18 Phrasen in 7 Thematiken |
| Bohren | 1 |
| Elektrische Maschinen | 1 |
| Ingenieurgeologie | 2 |
| Marine | 1 |
| Mineralogie | 1 |
| Technik | 11 |
| Weltraum | 1 |