This paper puts forward oneself view for producing mechanism of differential aeration corrosion and talk about influence of metal corrosion potential due to the change of oxygen concentration.

本文就差异充气腐蚀产生机理提出自己的看法，并且谈到氧气浓度变化对金属腐蚀电位的影响。

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When long-distance pipeline is located at the saliferous soil, the differential concentration of salt will speed up corrosion of pipeline.

长输管道在通过盐渍区土壤时，土壤的盐浓度差异会使处于高盐浓度土壤中的管道加速腐蚀。

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