Metro stray current causes serious electrochemical corrosion in the metal pipelines, communication cable epidermis and rebars in concrete main structure buried underground nearby metro.

杂散电流对地铁周围的埋地金属管道、通讯电缆外皮以及地铁主体结构钢筋等发生电化学腐蚀，产生严重的危害。

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Metro stray current causes serious electrochemical corrosion in metal pipelines, communication cable epidermis and rebars in concrete main structure buried underground nearby metro.

杂散电流对地铁周围的埋地金属管道、通讯电缆外皮以及地铁主体结构钢筋等发生电化学腐蚀，产生严重的危害。

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The corrosion of metal is one of the critical factors that affect the reliability and the service life of buried steel pipelines.

金属的腐蚀是影响埋地钢制管道可靠性和使用寿命的关键因素之一。

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The corrosion of metal is one of the critical factors that affect the reliability and the service life of buried steel pipelines.

金属的腐蚀是影响埋地钢制管道可靠性和使用寿命的关键因素之一。

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