| 1. | Mining operations by open-cut methods ceased in 1962 .
露天开采的矿山作业已于1962年停止。 |
| 2. | Reasons of and precautions against accidents in mining operations
冶金矿山事故分析及对策探讨 |
| 3. | Framework and key techniques for digital mine operation system
数字矿山系统框架与关键技术研究 |
| 4. | The silver city mining operation
开采银城矿产 |
| 5. | The silver city mining operation
开采银城矿产 |
| 6. | " this would be taken into account in future mining operations , " he said
他说， “将来在布雷时应当考虑到这一点。 ” |
| 7. | Later arrive to bingham canyon copper mine for a video presentation of mining operation
午后前往参观世界最大的露天铜矿场一宾汉铜矿场。 |
| 8. | Safety analysis on first fully mechanized top coal caving mining operation in daping mine under reservoir
大平煤矿水库下首采面综放开采安全分析 |
| 9. | We have an excellent portfolio of large , low - cost mining operations with substantial growth opportunities
拥有大规模、低成本的优良资产，极具发展潜力。 |
| 10. | 10 years experiences on safety and / or environmental management with at least 2 years experiences in mine operations
10年安全与/或环保管理工作经历，其中至少两年在矿山工作。 |
