To simplify the calculation process, this paper develops software of land use safety planning for the city gas pipeline network.
为了简化计算过程，本文编制了城市燃气管网土地利用安全规划软件。
The welding preparation of city gas pipeline, welding technological requirements and control for factors effecting welding quality are analyzed.
分析了城市燃气管道的焊前准备、焊接工艺要求以及对影响焊接质量诸因素的控制。
The combined construction of gas transmission substation and city gate station for gas transmission pipeline has obvious superiority, but it can not be spread for different reasons.
长输管道气体分输站和城市门站二站合一建设具有非常明显的优越性，但由于种种原因未能推广。
The frequently-occurring positions, actual situation, causes and preventive measures, etc. of buried gas pipeline corrosion in Baoji City are indicated.
介绍宝鸡市埋地煤气管线腐蚀的多发部位、腐蚀现状、成因及防蚀措施。
The reasons for invalid cathodic protection by rectifier in gas transmission pipeline in Lanzhou City are analyzed, and the concrete reconstruction treatment measures are put forward.
分析了兰州燃气输气管道外加电源阴极保护失效的原因，提出了具体的改造处理措施。
This application case is the first complete inspection of external corrosion protection, safety assessment and risk assessment for the city gas underground pressure pipeline case in China.
这是国内首次在城市高压燃气管道上完成的最全面的管道外腐蚀检测与安全评定及风险评估工作。
As a part of gas transmission pipeline project, the city gas distribution pipeline network is a very important component for the new gas to enter into the city.
城市配气管网作为输气管道的下游配套工程，是天然气顺利进入沿线城市的重要环节。
The application of geographic information system(GIS)in the risk analysis of buried gas pipeline is studied with the engineering example in a certain city.
结合某市工程实例，探讨了地理信息系统在埋地燃气管道风险分析中的应用。
The application process that index risk assessment and the fuzzy comprehensive assessment method are applied to safe management of city gas pipeline is given.
详细阐述了指数评价法和模糊综合评审在城市燃气管网风险评价中的应用过程。
Take Yixing City Gas Project as an example, a feasibility study to deal with the daily and hourly peak shaving with high pressure pipeline for city gas consumption is made.
以宜兴市城市天然气工程为例，对利用高压管道解决城市用户的日调峰、小时调峰问题的可行性进行了研究。
The explosion, which occurred in the southwestern city of Pecs, was triggered by gas leaking from the pipeline, which was reportedly damaged during construction work.
该爆炸发生在西南部城市佩奇，中爆炸被煤气泄漏从在建造工作期间据报道这是由施工期间被损坏的管道导致煤气泄露而引发的事故。
The determination methods of media and pressure for strength test of high-pressure gas pipeline in class 3 and class 4 locations of city are put forward.
对燃气管道强度试验的介质与压力进行了多角度的分析和探讨，提出了城镇三、四级地区高压燃气管道强度试验试验介质与压力的确定方法。
Faults caused by third party effect on city underground gas pipeline are analyzed, and the relevant fault tree model is established.
分析了城镇地下燃气管道遭受第三方影响所致事故，建立了相应事故树模型。
So it is very important to study the optimum design of city natural gas pipeline network system.
因此进行城市管网规划设计的研究具有重大的实际意义。
The reasons for quantity difference between supply and marketing of city pipeline gas are analyzed, and the measures for reducing the quantity difference between supply and marketing are put forward.
分析了产生城市管道燃气供销差的原因，提出了降低供销差的措施。
In order to reconcile this contradiction, the paper conducted in city gas pipeline risk evaluation of the third-party damage technical.
为了调和这种矛盾，本文开展了针对城市燃气管网第三方破坏风险评价技术的研究。
In order to reconcile this contradiction, the paper conducted in city gas pipeline risk evaluation of the third-party damage technical.
为了调和这种矛盾，本文开展了针对城市燃气管网第三方破坏风险评价技术的研究。
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