 |
| |||
| petroleum production equipment (Alexander Demidov); oil-production equipment (Alexander Demidov) | |||
|
оборудование для нефтедобычи : 2 短语, 1 学科 |
| 一般 | 2 |
|
| |||
| petroleum production equipment (Alexander Demidov); oil-production equipment (Alexander Demidov) | |||
|
оборудование для нефтедобычи : 2 短语, 1 学科 |
| 一般 | 2 |