1.
Discussion on Overburden Blasting Safety Control Technique of Tunnel Excavation near Use Tunnel
浅谈紧邻营业线双线隧道揭顶爆破施工安全控制技术
2.
The roof of the tunnel caved in (on the workmen).
隧道顶坍塌（压住工人）.
3.
The roof of the tunnel caved in.
隧道的顶部塌陷了。
4.
The roof of the tunnel fell in.
隧道顶部塌了下来.
5.
water seeping through the roof of the tunnel
从隧道顶部渗出的水
6.
Stability Analysis of Rock Pillar in the Uncovering Coal Process of Highway Tunnel Though Coal Seam
公路穿煤隧道揭煤施工过程中岩柱稳定性分析
7.
Study on Natural Ventilation of Urban Tunnel with Upper Vents;
市政公路隧道顶部开孔自然通风研究
8.
The ventilating and methane monitoring technology of Yunding high methane tunnel
云顶高瓦斯隧道通风及瓦斯监测技术
9.
Modeling on temperature field of arch crown in long tunnel fires
长隧道火灾中拱顶温度场的数值模拟
10.
Numerical Si mulation of Smoke Pervasion in Tunnel Fire Affected by Ceiling Flue
顶棚烟道对隧道火灾烟流蔓延作用的数值分析
11.
It is 19 kilometers long and at one point it's more than 2100 meters under the crest of the mountain.
有19公里长，隧道的某一处距峰顶有2100多公尺深。
12.
The roof of the new tunnel hasn't been properly supported; it shows signs of falling in.
新隧道的顶部支撑得不好, 已显出坍塌的迹象。
13.
A Model Test Study on Influence of Top Karst Cave on Stability of the Surrounding Rock-mass during Tunnel Construction
隧道顶部溶洞影响围岩稳定性的模型试验研究
14.
Investigation of Nature Ventilation in Subway Tunnel with upper Vents
顶部开孔地铁区间隧道自然通风计算研究
15.
Settelment Monitoring and Rule Research of Rock Tunnel Roof Rock Massin the Shallow Tunnel Excavation
浅埋隧道开挖洞顶岩体沉降监测及规律研究
16.
The critical technology monitoring of a tunnel ground surface and arch crown settlement control
某隧道地表及拱顶沉降控制关键技术及监控
17.
Monitoring and analysis of the impact of small internal tunnel blasting vibration on the hilltop
小净距隧道爆破振动对山顶影响测试与分析
18.
Calculation and Analysis of Plastic Area and Ground Settlement for Shield Tunnel
盾构隧道拱顶塑性区及地表沉降分析与计算