1.
Research on the optimizing technology of ventilation system renovation for multi-airshaft mine
多风井矿井通风系统优化改造技术研究
2.
A ventilating shaft, as in a mine.
（比如矿井中的）上风井
3.
supply with a brattice, to ventilate mines.
装上矿井通风用的风幛。
4.
Rapid Construction Technology of Freezing Well-wide Shaft of New Shanghai No.1 Ventilation Shaft Mine
新上海一号矿风井全井冻结井筒快速施工技术
5.
mine static head
矿井通风系统静压头
6.
Standard for the equipment of ventilative safety of colliery
矿井通风安全装备标准
7.
Multiple Fuzzy Integrated Evaluation for Safety of Mine Ventilating System
矿井通风系统安全性的多层次模糊综合评价
8.
Management of The Mine Ventilator Multi-Sensor System and Research on Realationship Characteristics
矿井通风机多传感器系统管理及关联特性研究
9.
Calculation on Effective Air Quantity of Mixing New Mind in Mine Series Ventilation New Wind-doped
矿井串联通风掺新风的有效风量计算
10.
The shaft of a mine.
竖坑矿的矿井或竖井
11.
Study on Ventilation Technology for Da Shuitou Hign Methane Mine;
大水头煤矿高瓦斯矿井通风技术研究
12.
Technology of Father Airshaft Water Burst Flooded Well of Baixiangshan Iron Mine
白象山铁矿风井突水淹井治理技术研究
13.
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
14.
Construction technique of central ventilating shaft and second auxilary shaft freezing engineering in Xieqiao mine
谢桥矿中央风井及二副井冻结工程施工技术
15.
Quick Roadway Excavation with Hoisting by Air-return Shaft
利用进回风立井改绞实现矿井快速掘进
16.
Comparison Analysis on Several Treatment Results of Mine Auxiliary Shaft Cracked Liner in Yangzhuang Mine
杨庄煤矿副井破裂井壁多次治理效果对比分析
17.
More than60 pits in old mining areas are being extended.
老矿区的六十多个矿井正在扩建。
18.
Code for design of inclined shaft and chambers of coal mine
煤矿矿井斜井井筒及硐室设计规范