1.
Field Test、Theory Analyse and Simulation on Heat and Humidity of Underground Transformer Conveyance Tunnel in Hydropower Station
水电站地下交通洞热湿测试、理论分析及数值模拟
2.
Modeling and Simulation for the Traffic and Transportation System of Underground Structure Group;
地下洞室群交通运输系统建模与仿真
3.
underground passages, caves, etc
地下通道、 洞穴等
4.
Field Test and Theoretical Analysis on Tunnel Ventilation Heat Exchange Efficiency of Shisanling Hydropo Wer Station
十三陵地下水电站交通洞通风换热效果实测及理论分析
5.
Research on Ventilation for Large Scale Underground Cavity Groups Construction;
大型地下工程洞室群施工期通风研究
6.
A Lesson for the Road
交通大执法，安全无漏洞
7.
Cave:a hollow or natural passage under or into the earth with an opening to the surface.
洞:向地表开有出口的地下的或通向地内的中空或天然的通道。
8.
A passage through or under a barrier.
地沟涵洞，隧道穿过某一障碍或位于其下的通道
9.
Ventilation Design for Structures at Underground Power House Caverns of Longtan Hydropower Station
龙滩水电站地下厂房洞室群建筑通风设计
10.
Urban Underground Space Development and Underground Traffic System--Underground Traffic System of Jiefangbei CBD in Chongqing
城市地下空间开发与地下交通系统——重庆市解放碑CBD地下交通系统
11.
The Study on the Mechanism of the Rock Outburst and the Geomechanics Model of the Subsidiary Tunnel in the Secondary Jinping Hydroelectric Power Station;
锦屏二级水电站交通辅助洞岩爆机制及其地质力学模式研究
12.
Study on the Intelligent Evaluate System of the Security of Cavern-foundation Which in the Protected Areas of Subway Tunnel
轨道交通隧道保护区洞室地基安全性智能评价系统研究
13.
Imagine the condition of men living in a sort of cavernous chamber underground, with an entrance open to the light and a long passage all down the cave.
想象人们住在一个地下洞穴之中的情形，一个出口通向光明，一条漫长的通道引向洞内。
14.
also rodent burrows dug through the lower reaches of the formation and then filled in by later floods.
还有一直挖通到下面的地层的鼠洞，后被继发的洪水所填满。
15.
Studies on Natural Ventilation Network Simulation and Application of the Underground Excavation Cluster of Hydropower Station;
水电站地下洞室群自然通风网络模拟及应用研究
16.
Analyse on Flow Characteristic of Key Basic Unit in Ventilation Network of the Underground Excavation Cluster of Hydropower Station;
水电站地下洞室群通风空调网络的关键基元流动特性分析
17.
Study on Design Methods of Hydropower Plant Ventilation Systems in the Underground Excavation Cluster Based on Network Analysis;
基于网络分析的水电站地下洞室群通风系统设计方法研究
18.
Construction Technology of Big-Diameter Steel Pipe Jacking-in and -out Operation for Underground Driveway in Haitai International Tower
海泰国际大厦地下车行通道大直径钢顶管工程进出洞施工技术