1.
Research on Key Technologies of Cooling Source of Mine Cooling System for Ultra-deep Mines
超深矿井集中降温冷源关键技术研究
2.
The Heat and Damp Exchange of the Hot Deep Mine Airflow and the Calculating of the Needing Air-Quantity;
高温深矿井风流热湿交换及配风量的计算
3.
the depth of the well, mine, box, trunk
井、 矿井、 盒、 行李箱的深度
4.
In deep mines and oil wells
在深深的矿井或是油井里，
5.
Key technology of Deep and large mine shaft construction in Huainan mining area
淮南矿区深部大型矿井建设关键技术
6.
The Construction Program of Exposing Deep Seam of in Main Shaft Coal of HU Jia-River Mine
胡家河煤矿主井井筒揭露深厚煤层施工方案
7.
Deep Alluvium Mine Shaft Drilling Construction Method
深厚冲积层煤矿井筒钻井法施工的探讨
8.
Analysis of Roadway Supporting Technology Used in Wind Shaft Station of ZhuJi Thousand Meters Mine
朱集矿千米深井风井车场巷道支护技术及分析
9.
Anti-Well Construction Technology of Large And Medium Iron Mixed Shaft Extension Project
大中铁矿混合井延深工程反井施工技术
10.
Deep Hole Blasting in Hard Rock of No.1 Auxiliary Shaft of Lilou Steel Coal
李楼铁矿1#副井硬岩深孔爆破技术
11.
Study on the system of utilizing aquifers to store cold energy in fathering deep mine heat-harm
深部矿井热害治理地层储冷系统研究
12.
The Economics Model on Gypsum Mine Reasonable Exploitation Level and Range;
石膏矿矿井合理开采深度及范围的经济模型
13.
Resource Integration and System Reconstruction of Multiple Deep Adjacent Mines in Aging mine;
衰老矿区深部相邻多矿井资源整合与系统重构
14.
Tao Yang coal mine water depth processing technology used to practice
陶阳煤矿矿井水深度处理回用技术实践
15.
When the mineral veins are buried deep in the earth, it is necessary to excavate shafts and tunnels to reach the ore body. There are many types of shafts andtunnels in a mine.
如果矿脉在地下埋藏较深，就必须挖掘井巷以通达矿体。井下井巷的种类有许多种。
16.
This paper briefly intro-duced the practice of longhole blast shaft-formirg method for blind shaft sinking in Tongshan Copper Mine.
本文简要介绍了深孔爆破成井法在铜山铜矿盲竖井掘进中的实践。
17.
Deepening Management Work of Danger Source in the Pit And All-aroundly Constructing Intrinsic Safety Mines
深化井下危险源管理工作 全面建设本质安全型矿井
18.
Deep mining first blighted the West Virginia landscape.
深挖矿井首先使弗吉尼亚州的风景遭到破坏。