| |||
| oil-extracting industry | |||
| oil producing industry | |||
| oil industry; oil-producing industry; petroleum industry | |||
| oil extracting industry | |||
|
нефтедобывающая промышленность : 3 短语, 2 学科 |
| 建造 | 1 |
| 经济 | 2 |
| |||
| oil-extracting industry | |||
| oil producing industry | |||
| oil industry; oil-producing industry; petroleum industry | |||
| oil extracting industry | |||
|
нефтедобывающая промышленность : 3 短语, 2 学科 |
| 建造 | 1 |
| 经济 | 2 |