ventilation shaft

This paper systematically describes the design process of telescopic formwork for shaft by taking a example of the form lining of ventilation shaft at the top of the underground power station Xiaolangdi Hydropower Project.

通过黄河小浪底水利枢纽地下发电厂房顶部通风竖井模筑衬砌这一工程实例，较为系统地介绍了一种适合于竖井工程的伸缩式活动模板台车的设计全过程。

The men used a series of tools including a drill assembled from a vacuum cleaner motor to chip away at the aging concrete in their cells and make it to a nearby ventilation shaft.

他们使用了一系列的工具（其中包括一个由真空吸尘器的马达制成的钻头），从牢房里老化的混凝土凿出了一条通向附近一个通风井的隧道。

[不可数名词]a ventilation shaft

通风井

Multiple ventilation shafts will be set for segment ventilation in deeply buried super-long tunnels. The changes of position or basal area of each ventilation shaft will have a serious effect on ventilation of whole tunnel.

对于特长深埋隧道，有时要设置多个通风井，将隧道进行分段通风，此时，调整一个通风井的位置或断面积将对整个隧道的通风产生严重影响。

Shaft to ventilation and excavation, repair qanat soil when used.

竖井是为了通风和挖掘 、 修理坎儿井时提土之用的.

a ventilation shaft

通风井

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。

Ford Prefect hit the ground running. The ground was about three inches further from the ventilation shaft than he remembered it so he misjudged the point at which he would hit the ground, started running too soon, stumbled awkwardly and twisted his ankle.

福特.长官跑着步撞到地上。地面跟通风井的距离比他记忆中远了三寸，导致了他对落地的时间判断错误，启动过早，一面跑一面笨手笨脚地绊了一跤，结果扭伤了脚踝。

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.

And one of the effective ventilation ways is that the shaft is ventilated by stage.

而有效的通风方式之一就是竖井分段通风。

Ride the train to the ventilation shaft.

乘火车到达通风井找到柱状物体.

Also, the heat output and the influence of train run status, piston-action ventilation shaft, different mode of ventilation and air conditioning system for station tunnel on airflow field, temperature distributions and fresh air requirement of subway were investigated.

分析得出产热量的分布规律；列车行车状况、活塞风井、不同形式车站及区间隧道通风空调系统对隧道内速度场、温度场及新风量的影响规律。

Research on mine air current state control during ventilators switching period of multi ventilation shaft system

多风井系统风机切换期间的矿井风流状态控制研究

A ventilation shaft through which air enters a mine. The stopper can prevent airiness. Bravery has separator inside, prevent airiness.

煤矿里能让空气流通的一个通道。木塞能阻止空气流通。内胆有隔离层，阻止空气流通。

Construction Technology for Lining and Separation Wall of Ventilation Shaft of Long Highway Tunnel on High Plateau

高原长大公路隧道通风竖井衬砌及中隔墙施工技术