Mining excavation of tunnels  暗挖隧道

bored excavation of shallow tunnels  浅埋暗挖

Shallow mining excavation  浅埋暗挖

Excavation of tunnels and chambers  洞室开挖

subsurface excavation of shallow-buried section  浅埋暗挖

abandoned area of mining  采矿废弃地

Abstracts of Mining Technology Papers  矿业类科技论文摘要

Adjacent area of mining area  矿区外围

assessment of mining concession  采矿权评估

Assessment of mining investment environment in foreign countries  国外矿业投资环境评价

Assessment of mining right  矿业权评估

Assessment of mining rights  采矿权评估

Attention to the issue of verification of mining r  采矿权

Beijing Graduate School of China University of Mining and Technology  中国矿业大学北京研究生部

branch lines of mining area  矿区铁路支线

capital market of mining industry  矿业资本市场

Cascade Profit of Mining Resource  级差矿利

Central-Southern Institute of Mining and Metallurgy  中南矿冶学院

change of mining technique from open pit mining to underground mining  露天转地下开采