 |
| |||
| 钻头使用程序; 钻头设计方案 | |||
| 钻头程序 | |||
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bit program : 7 Phrasen in 5 Thematiken |
| Bohren | 1 |
| Elektronik | 1 |
| Erdöl | 3 |
| Informationstechnik | 1 |
| Wasserkraftwerk | 1 |
|
| |||
| 钻头使用程序; 钻头设计方案 | |||
| 钻头程序 | |||
|
bit program : 7 Phrasen in 5 Thematiken |
| Bohren | 1 |
| Elektronik | 1 |
| Erdöl | 3 |
| Informationstechnik | 1 |
| Wasserkraftwerk | 1 |