 |
| |||
| waste development (Jewelia) | |||
| |||
| cross-strata heading | |||
| field working | |||
| rock drift; stone drift (lxu5) | |||
| lateral working | |||
| полевые выработки: 8 短语, 3 学科 |
| 技术 | 1 |
| 矿业 | 5 |
| 黄金开采 | 2 |
|
| |||
| waste development (Jewelia) | |||
| |||
| cross-strata heading | |||
| field working | |||
| rock drift; stone drift (lxu5) | |||
| lateral working | |||
| полевые выработки: 8 短语, 3 学科 |
| 技术 | 1 |
| 矿业 | 5 |
| 黄金开采 | 2 |