tunnel survey

Application of CASIO Measurement Program Assisted by Total Station in Survey of Tunnel Cross-Section

CASIO计算器测量程序配合全站仪在测设隧道断面过程中的应用

The Discussion of Water Diversion Tunnel Survey Work Using Shield Method Construction

采用盾构法施工的引水隧洞勘察工作要点探讨

The techniques of measurement and data-processing theory was discussed in detail on the basis of precision traverse control network measurement of the long tunnel holing-through survey.

在某特长隧道贯通测量导线网测量工作的基础上，对长隧贯通测量的技术要点以及数据处理理论进行了详细论述。

Wenchuan earthquake damage survey indicates that each tunnel through fault has more serious damage in fault section than common segment, so fault section is key point in seismic fortification.

通过对汶川地震震害调查，发现震区内各穿越断层隧道过断层段破坏情况较普通段严重，认为穿越断层隧道过断层段为震害设防之枢纽。

To survey the purifying effect of the tunnel air purification device on typical volatile organic substances.

目的观察研制的坑道空气净化装置对多种挥发性有机物的净化效果.