从安全风险管理的角度出发，研究了城市燃气管道检测周期的确定方法。
From the Angle of security risk management, a study on determining methods of inspection cycles for city gas pipelines is carried out.
结合未确知测度模型，对影响城市燃气管道安全的因素进行系统的分析与评价。
The factors affecting the safety of urban gas pipeline are analyzed and evaluated systematically.
首先分析了城市燃气管道信息系统的主要特点、功能、管线的空间数据特点等。
At first, the functions, features, data structure and data model of gas pipe information system in city 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 welding preparation of city gas pipeline, welding technological requirements and control for factors effecting welding quality are analyzed.
从设计、施工角度提出了城市燃气管道敷设中存在的一些问题，分析问题产生的原因，提出解决这些问题的方法和具体措施。
This paper put forwards problem on fuel air pipeline laying in city about its design, construction, and analyses reasons, makes some Suggestions.
分析了城市燃气管道不停输带气连接作业中常见的故障 ，通过对故障原因的分析找出了主要原因 ，并提出相应的预防措施。
The paper introduced common troubles of city gas pipe on-line connecting works, their causions were found by trouble shooting, as well as the prevention measures were put forward.
城市埋地燃气管道主要输送的介质有着易燃、易爆、有毒等特性。
The transmission medium of municipal buried gas pipeline has the character of flammability, explosion and toxicity.
特许经营的业务为在规划区内燃气管道工程建设，达到燃气城市供暖。供气及燃气的储备。充装燃气汽车加气的开发与应用。
Franchising business is gas pipeline construction in the planning area to reach gas, urban heating gas reserves and to promote the development and application in gas vehicle refilling.
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。
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.
迄今为止，尚未出现可以全面解决城市埋地燃气管道腐蚀检测问题的方法或者技术方案。
Up to now, not appear solve the city to burn the method or technical proposal that the question was tested in the windpipe way corruption yet completely with covering up.
迄今为止，尚未出现可以全面解决城市埋地燃气管道腐蚀检测问题的方法或者技术方案。
Up to now, not appear solve the city to burn the method or technical proposal that the question was tested in the windpipe way corruption yet completely with covering up.
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