This is the ventilation shaft through which air leaves a mine.
这是煤矿上用来疏通空气的通风井。
In the center of each gallery is a ventilation shaft, bounded by a low railing.
在每一条廊道中心都有一口通风井，外面围着一道矮矮的栏杆。
There was a family of cats on the rooftop there, making their home in the ventilation shaft.
在那儿的屋顶上，住着猫的一家，它们的家安在通风竖井里。
A fire rages out of control from a ventilation shaft at the Pike River Mine in Greymouth, New Zealand.
新西兰格雷茅斯派克河矿失控的火舌从通风井呼呼直冒。救援队夜以继日地寻找两次爆炸中死难的新西兰矿工的29具遗体。
The model can simulate operation conditions of the tunnel and solve key technical problems of ventilation shaft.
该模型通可以较好地模拟运营工况和解决通风风井部位的关键技术问题。
This text introduces the application of theodolite in the directional measure technique in Qidong ventilation shaft.
简要介绍了陀螺经纬仪在定向测量中的应用和祁东风井联系测量技术。
When a tactical air strike struck the building beside it, experimental failures were propelled into the ventilation shaft; apparently killing everyone inside.
当一个战术空袭击中旁边的大楼，实验失败了推入了通风井，似乎每个人都杀死里面。
Equipped with a ladder into the air shaft, the drainage pipes, duct pressure, fire sprinkler pipe and power cables for safety into the ventilation shaft and exports;
进风立井装备梯子间、排水管、压风管、消防洒水管以及动力电缆等，为进风井兼安全出口；
The importance for the mine to strengthen the maintenance of the air return way and the points needing attention in designing and allocating the ventilation shaft are pointed out.
同时提出生产矿山加强回风道维护的重要性，以及在设计和布置通风井时应注意的问题。
These tunnels have been equipped with the advanced jet and axial shaft ventilation systems, and alarm and monitoring systems. And also a new light source has been employed.
隧道内采用橡胶防水板防渗漏，设置先进的射流和轴流竖井通风系统，配有报警监控系统，采用新光源照明。
Meanwhile skewed slots in rotator, changing the number of parallel circuits of stator windings and optimization of ventilation circuit and shaft structure are also used.
斜槽；改变定子绕组的并联路数，优化通风风路，优化轴承结构等措施。
Retrograde ventilation is used for Wangjiazhai coal mine, both air leakage and ventilation resistance of the main shaft are largish.
王家寨煤矿为中央并列式通风，漏风量较大，主井通风阻力较大。
The paper introduces the project of the fire model experimentation about the shaft ventilation model to the Qinling-Zhongnanshan highway tunnel.
介绍了秦岭终南山特长公路隧道竖井通风模式下火灾模型试验方案，重点介绍了试验目的和测试项目；
Mine, the causes of natural thermal potential difference in return air in main shaft and its influence on mine ventilation system and the control methods.
阐述了造成主井回风的自然热位差产生原因和对通风系统的影响，以及治理办法。
Through ex-ample of lowering ventilation resistance in Nanfeng shaft, application process is introduced with graphic method.
通过对南风井井筒的降阻改造实例，介绍了图解法的应用过程。
Finally, it is shown that with proper design of the smoking shaft, dynamic smoke pressure can be enhanced and the efficiency of smoke ventilation improved.
最后提出，通过对竖井的合理设计，可以增大热烟气的动压，达到理想的排烟效果。
In this paper, the relation between skip shaft and mine ventilation is discussed.
本文论述了箕斗并与矿井通风的关系。
In this paper, the relation between skip shaft and mine ventilation is discussed.
本文论述了箕斗并与矿井通风的关系。
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