目前对城市埋地管道的防腐采用外防腐层加阴极保护的方法。
Present corrosion protection method for urban buried pipeline is commonly adopting external corrosion protection combined with cathodic protection.
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.
钢质天然气管道埋地敷设工程关系到整个城市供气系统和人民生命财产的安全。
The buried-pipe laying of steel natural gas line concerns entire urban gas supply system and the safety of people's lives and properties.
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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