1.
Application of High-low Voltage Switch Power-off Analog Annunciator
高低压开关掉电模拟报警装置在矿井地面变电所中的应用
2.
The surface Pre-grouting Method of Shicao Coal Mine Vice-shaft
石槽村煤矿副井井筒地面预注浆施工方法
3.
An iron bucket used in wells or mines for hoisting water, ore, or refuse to the surface.
吊桶井或矿井里用来把水、矿石或废料吊到地面上的一种铁桶
4.
A vertical, sloping passageway made in the earth for finding or mining ore and ventilating underground excavations.
竖井地面下一竖直、倾斜的走道，用于探矿或采矿及地下作业的通风
5.
Study on Ground Movement and Deformation of 90102 and 90103 Working Face of AnTaiBao Coal Mine
安太堡井工矿90102、90103工作面地表移动规律研究
6.
Optimization of Construction Design for Surface Pre-grouting Project of Mine Shaft in Yangcun Mine
杨村煤矿立井地面预注浆工程设计优化
7.
Methane Drainage and CBM Surface Development in Tiefa Mining Area
铁法矿区井下瓦斯抽采与地面煤层气开发
8.
Accident Treatment of Boring in Air Shaft Ground Pre-grouting in Yangcun Coal Nine
杨村煤矿风井地面预注浆工程钻孔内事故处理
9.
Analysis of Surface Shaft Drilling Goaf Gas Extraction at Tunliu Mine
屯留煤矿地面钻井采空区瓦斯抽采分析研究
10.
Discussion on Surface Wells Extraction Project for Coal and Coalbed Methane Co-production in Fuxin Wulong Coal Mine
阜新五龙矿地面钻井抽采联动方案探讨
11.
Pre-grouting Technology at Surface for 100 m Thick High Weathered Rock Zone in Ventilation Shaft of Yangcun Mine
杨村煤矿百米厚强风化带风井地面预注浆技术
12.
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
13.
This paper discusses the feasibility of the mine restore engineering from the aspects of mine field exploit, aeration, lift, ground production system.
从井田开拓、通风、提升、地面生产系统等方面探讨了矿井恢复工程的可行性
14.
Code for design of roadway section and junction lf coal mine
煤矿矿井巷道断面及交叉点设计规范
15.
Study of Warter-Inrush Geological Abnormal Bodies Detection Experiment with Resistivity Method Responding Character in the Working Face
矿井工作面突水地质异常体电阻率响应特征实验研究
16.
Research on Controlling of Coal Mine Reserves and Border of Recoverable Coal Boundary By Ground Drilling Hole
利用地面钻孔对矿井储量及煤层可采边界的控制研究
17.
Lawer Third System Red Bed Grouting in Air Shaft Ground Pregrouting in Yangcun Coal Mine
杨村煤矿风井地面预注浆工程的下第三系红层注浆
18.
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。