1.
Research on the Newly-built Tunnel Roof Settlement Prediction Based on Verhulst Model

基于Verhulst模型的新建隧道顶板下沉预测研究
2.
Stability Analysis for Tunnel Roof Based on Nonlinear Failure Criterion

基于非线性破坏准则的隧道顶板稳定性分析
3.
The roof of the tunnel caved in (on the workmen).

隧道顶坍塌(压住工人).
4.
The roof of the tunnel caved in.

隧道的顶部塌陷了。
5.
The roof of the tunnel fell in.

隧道顶部塌了下来.
6.
water seeping through the roof of the tunnel

从隧道顶部渗出的水
7.
poling board method (of funnelling)

(开挖隧道时的)插板法
8.
EStrengthen the management of roadway roof to reduce the roof accident

加强巷道顶板管理 减少顶板事故发生
9.
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
10.
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
11.
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
12.
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
13.
Technical requirements for railway tunnel waterproofing material

铁路隧道防水材料(防水板)技术要求
14.
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。
15.
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。
16.
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
17.
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
18.
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