surface mine
| development
| surface mine | |
| energ.ind. | 露天矿山 |
| eng.geol. | 表层矿; 露天矿 |
| expl. | 露天矿 |
| development | |
| met. | 研制; 改进; 发达; 扩展; 产生; 显像 |
| |||
| 露天矿山 | |||
| 表层矿; 露天矿 | |||
| 露天矿从地表通过向下阶梯剥离开采金属矿、煤及其他非金属等矿床的作业形式 | |||
| ★ 露天矿山 | |||
|
surface mine : 19 phrases in 5 subjects |
| Aviation | 1 |
| Earth sciences | 1 |
| Explosives and Explosive Ordnance Disposal | 12 |
| Mineralogy | 1 |
| Technology | 4 |