1.
The Design and Research of the Simulation System of the Ventilation in the Underground Laneway;
地下井巷通风仿真系统的设计与研究
2.
surface controlled subsurface safety valve
地面控制井下安全阀
3.
open caisson method in underground construction
地下工程沉井法施工
4.
This paper discusses the renewable method of mine topographic map of underground mining.
论述了井下开采矿井矿用地形图的更新方法。
5.
Operation Performance Research on Heat Source/Sink Well of Groundwater Heat Pump with Pumping & Recharging in the Same Well (GWHPPRSW);
同井回灌地下水源热泵源汇井运行特性研究
6.
The situation of heat hazard in mine in our country and the discussion of using geothermal energy
我国矿井热害现状及井下地热利用探讨
7.
New Problems and Resolvents in CBM Well Geological Logging under the Condition of Air Drilling
煤层气井空气钻井条件下地质录井面临的新问题及解决方法
8.
Abstract: The Chengzhuang Coal Mine is threatened by the underground water when the strata is mined.
文摘:成庄井田为新建矿井，下部煤层开采受地下水的威胁。
9.
An excavation in the earth from which ore or minerals can be extracted.
矿，矿井采掘矿石或矿物的地下坑道
10.
Their missile silos are below ground.
他们的导弹发射井在地下.
11.
" Is Owen underground?" " No, I guess he's at grass."
“欧文下井了吗？”“没有，我想他在地面。”
12.
United States Government underground missile silo. Designation Code 41.
美国政府的地下导弹发射井。代号41。
13.
Analysis and Evaluation of CNG Station Gas Storage Well;
CNG加气站地下储气井安全分析与评价
14.
Layout and Application of Light Well Points in the Construction of Basement;
地下室施工中轻型井点的布设与应用
15.
Study on Electronic Map System for Mine Based on GIS
基于GIS煤矿井下电子地图系统的研究
16.
Analysis on No-Precursory Anomaly of Well Water Level in Over-exploited Area
地下水超采区井水位非前兆异常分析
17.
A Study on Casing Running in Highly-deviated Wells in Northeastern Sichuan Basin
川东北地区大斜度井套管可下入研究
18.
Research on the Corresponding Relation between Secondary Ground Pressure Acting on Shaft and Water Table and Rupture Mechanism of Shaft Lining
立井次生地压与地下水位对应关系及井壁破裂机理研究