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分析了燃气钢制管道中电偶腐蚀和氧浓差电池这两种容易引起忽视的腐蚀产生的原因,并提出了防腐措施.“,”Analyzing the mechanism of gas steel pipes, corrosion causing by the galvanic couple or oxygen concentration difference cell, which are often ignored, also Presenting the anti -corrosion measures.