 |
| |||
| 矿山开发费 | |||
| 矿山开发; 矿井开拓工程 | |||
|
mine development : 12 phrases in 4 subjects |
| Earth sciences | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Mineralogy | 4 |
| Technology | 6 |
|
| |||
| 矿山开发费 | |||
| 矿山开发; 矿井开拓工程 | |||
|
mine development : 12 phrases in 4 subjects |
| Earth sciences | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Mineralogy | 4 |
| Technology | 6 |