结果表明，土壤腐蚀是引起埋地燃气管道失效的主要因数。
The results show that most cause of failure is soil corrosion for Under-ground Gas Pipeline.
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.
论述了城镇埋地燃气管道外防腐层的综合检测方法与分级评价方法。
The comprehensive detection method and the classification evaluation method for external anticorrosion coating of municipal buried gas pipeline are discussed.
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 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 risk assessment model for cathodic protection of buried gas pipeline is constructed with the modified fault tree method.
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.
分析了地铁直流杂散电流对埋地燃气管道干扰腐蚀的机理与影响，并简述了埋地燃气管道直流杂散电流干扰腐蚀的防护方法。
The mechanism and influence of subway stray current corrosion on buried metal pipeline is analyzed, and the measure of disturbing stray current corrosion is narrated briefly.
分析了地铁直流杂散电流对埋地燃气管道干扰腐蚀的机理与影响，并简述了埋地燃气管道直流杂散电流干扰腐蚀的防护方法。
The mechanism and influence of subway stray current corrosion on buried metal pipeline is analyzed, and the measure of disturbing stray current corrosion is narrated briefly.
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