| 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. | Review of the evolution of the opencast mining technology in china
我国露天开采工艺发展初探 |
| 3. | Planning decision system for open pit mine and its application
露天开采规划决策系统及其应用 |
| 4. | Terms relating to coal mining - surface mining
煤矿科技术语露天开采 |
| 5. | Study on determining open - pit limit under make economic conditions
市场经济条件下确定露天开采境界的研究 |
| 6. | Optimization of final mining area of open - pit phosphate ore mining in wengfu
瓮福磷矿露天开采最终境界综合优化浅论 |
| 7. | Automatic control system of the concentration production at pingshui copper mine
德兴铜矿露天开采临近边坡控制爆破的探讨 |
| 8. | Danger factors analysis amp; safety measures of limestone open - pit exploration
石灰石矿山露天开采中的危险危害因素分析及安全对策措施 |
| 9. | Using protruding analysis - resource technology parametrization to determine open - pit mining realm
资源技术参数化方法确定露天开采境界 |
| 10. | Research on open - pit cutting boundary and mining procedures of western mine of baiyun ebo iron mine
白云鄂博铁矿西矿露天开采境界与开采程序研究 |
