 |
| |||
| mining operations (Alexander Demidov) | |||
| mining practice; mining | |||
| mining recovery (MichaelBurov) | |||
| |||
| mining works (ABelonogov) | |||
| горное производство: 20 短语, 6 学科 |
| 一般 | 5 |
| 劳动法 | 1 |
| 建造 | 1 |
| 技术 | 2 |
| 矿业 | 9 |
| 黄金开采 | 2 |
|
| |||
| mining operations (Alexander Demidov) | |||
| mining practice; mining | |||
| mining recovery (MichaelBurov) | |||
| |||
| mining works (ABelonogov) | |||
| горное производство: 20 短语, 6 学科 |
| 一般 | 5 |
| 劳动法 | 1 |
| 建造 | 1 |
| 技术 | 2 |
| 矿业 | 9 |
| 黄金开采 | 2 |