1.
Current status of deep shaft ventilation technique research in domestic metal mines
中国金属矿山深井通风技术研究现状综述
2.
Investigation of Cooling by Air Conditioning in Deep Development of Metal Mine
金属矿井深部开拓空调通风降温的研究
3.
Study on the Economic Cross Section and the Economic Ventilated Velocity of the Shaft for the Fortes Deep-Buried Tunnel;
特长深埋隧道通风井经济断面积和经济风速研究
4.
supply with a brattice, to ventilate mines.
装上矿井通风用的风幛。
5.
double-channel echo well sounder
双通道回声井深测试仪
6.
mine static head
矿井通风系统静压头
7.
Standard for the equipment of ventilative safety of colliery
矿井通风安全装备标准
8.
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
9.
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
10.
Affecting factors research on the risks of deep water drilling operation in West Africa
西非深水JDZ-2-1井钻井工程整体风险分析
11.
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
12.
By determining the ventilation resistance of the mine shaft ventilation system, it is found that the ventilation resistance in return airways is particularly large and the ventilation degree is middle.
通过对矿井通风系统进行通风阻力测定,发现矿井回风段通风阻力过大且通风难易程度为中等。
13.
Application of Ventilated Shaft in Ventilation System of Urban Traffic Link Tunnel
通风竖井在地下联系通道通风系统中的应用
14.
A passage for drawing up smoke or air.
上风井，上风烟道发散烟或空气的通道
15.
East Air Shaft Main Ventilator Online Monitoring Research and Application
东风井主通风机在线监控研究与应用
16.
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
17.
A passageway or shaft in which air circulates, as in ventilating a mine.
通风道，换气坑空气流通的通道，如使矿井通风的风道
18.
AUTOMATIC GENERATION OF VENTILATION NETWORK FROM MINE VENTILATION SYSTEM DRAWING
由矿井通风系统图自动生成通风网络图