以下为句子列表：
英文: Since the gas pipeline of Handan has operated for many years, a lot of problems have appeared such as corrosion damage, anticorrosive coating aging metamorphism and gas leakage.
中文: 摘要邯郸市煤气管网经过20多年的运行已进入了事故多发期，出现了腐蚀漏气、防腐层老化变质等问题，因此必须对全市煤气管网进行全面的腐蚀情况普查和安全性分析。
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英文: The instrument can easily and correctly location,depth of the underground pipes and the exact position of leak points on the insulating anticorrosive coating without digging ground.
中文: 本仪器不挖开复土的情况下，方便而准确地查出地下管道的走向、深度和绝缘防腐层的漏蚀点的精确位置，使整个管道表面不再屡遭到处开搪破土之苦。
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英文: The rosion factors are soil corrosion, bacteria corrosion and the construction quality of the anticorrosive coating is inferior.
中文: 对于腐蚀严重的无缝钢管进行了埋地环境调查，分析其受腐蚀的原因为土壤腐蚀、细菌腐蚀以及防腐层施工质量差。
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