The underground pipeline colligate alure in city Utility tunnel.
城市地下管线综合管廊俗称共同沟。
The underground pipeline colligate alure in city is also say "Utility tunnel".
城市地下管线综合管廊俗称共同沟。
This paper introduces an automatic input system of the city underground pipeline drawing.
介绍了城市地下管网图纸自动输入及识别系统。
Yulongling ground electrode; West-East Gas Pipeline 2; Stray Current; Underground pipeline;
鱼龙岭接地极；西气东输二线；杂散电流；埋地管道；
The analysis on the effect of two tunnels' excavation on nearby underground pipeline is carried out.
分析了两种双隧道开挖对地下管线的影响。
Finish Constructive Survey plays an important role in the information system of underground pipeline.
竣工测量在地下管线信息系统中有重要作用。
Some hidden underground pipeline irrigation must be done before the trial can be hidden after passing.
埋地部分管道隐蔽前必须做灌水试验，试验合格后方可隐蔽。
As anticorrosive paint for ship bottom, container exterior and bottom, underground pipeline and steel.
主要用于船底部位，集装箱外、底部，各种地下管道、钢铁产品的地下防腐蚀用漆。
The less the elastic modulus of buried pipeline is, the larger the displacements of underground pipeline is.
地下管线弹性模量越小，产生的位移越大。
The propagation of violent earthquake wave and sand liquefaction are two reasons to make underground pipeline damage.
强烈地震波的传播及砂土液化是造成地下管线发生破坏的两类原因。
A reconstruction method of using the discrete curvature data for space curve was proposed on underground pipeline detection.
提出了一种应用于非开挖管线测量，在已知离散点曲率的情况下进行空间曲线重构的方法。
The technique of underground pipeline laying with guided/directional drilling is technologically intensive and eco-friendly.
近十年来，非开挖定/导向钻进技术用于敷设城市地下管线在我国得到了极大的推广应用。
Underground pipeline water delivery can save water, land, energy and labor. It is convenient for machinery work and field work.
地埋管道输水可节水、节地、节能、省工，便于机械作业和田间生产。
The analysis of corrosion failure of underground pipeline lor crude oil in part has been made. The counter-measures were described.
本文针对原油埋地传输线局部腐蚀穿孔的情况，进行了分析，并提出了相应的解决方法。
The underground pipeline is usually installed by top pipe method for the constructions on ground with concentrated railway and highway.
地面建构筑物．在铁路、公路密集条件下．顶管法铺设地下管道为最常见的施工方法。
Therefore, we need for a unified visualization of urban underground pipeline information management system to address the above issues.
因此需要建立一个统一的城市地下管线可视化信息管理系统来解决上述问题。
Said invention is specially suitable for laying underground pipeline to pass through the section of an area unable for open-excavation.
本发明特别适合于铺设地下管线穿越不可开挖地段的工程使用。
It makes use of the technique of overall databases, which can entirely record the spatial 3d state of the underground pipeline network.
在国内率先采用全数据库技术，可完整记录地下管网的空间三维状态。
The underground pipeline cross interference of city road is an important factor which constrains the whole urban pipeline engineering construction.
城市道路地下管线交叉冲突，是制约整个城市管线工程建设的重要因素。
The construction of underground pipeline network information system is rapidly improved now, but the level of supervision remains low and unchanged.
地下管网信息系统建设在国内正处于快速增长的态势之中，但是监理的水平和技术却相对停滞。
The dynamic increase, alteration and disuse of urban underground pipeline information result in the difficulty and complexity of its management and development.
城市地下管线信息的动态增加、变更、废弃等导致了地下管线信息管理与信息系统开发的复杂性与难度。
By analyzing the characteristic ratio method of calculating underground pipeline depth, the relation between characteristic ratio and pipeline depth was obtained.
通过对管线仪特征比值定深法的分析，获取了特征比值与管线深度变化的关系；
This paper gives a brief introduction to the GIS technique and methods we adopted in establishing the underground pipeline information system of the city of Hefei.
介绍了合肥测绘设计研究院利用GIS技术建立合肥市地下管线信息系统中的一些技术方法和经验。
In addition, the soil nails are often beyond the end of red line, so it will become an obstruction for future construction of underground pipeline or buildings nearby.
另外，土钉末端往往超出用地红线以外，成为今后临近地下管线或建筑物施工的地下障碍物。
First, with object-oriented thought, we divide the underground pipeline system level to clarify the pipe system hierarchy and rend different level category pipeline data.
首先，根据面向对象的思想，划分地下管线系统层次，理清管线系统数据间的关系，并对管线系统的数据进行分层渲染；
Specializing in underground pipeline locator, pipeline leak detection devices and a variety of gas detection and monitoring instrumentation products and technical services.
专业从事地下管线定位仪、管道泄漏检测仪及各种气体检测、监测仪器产品生产和技术服务。
Specializing in underground pipeline locator, pipeline leak detection devices and a variety of gas detection and monitoring instrumentation products and technical services.
专业从事地下管线定位仪、管道泄漏检测仪及各种气体检测、监测仪器产品生产和技术服务。
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