矿区井下电铁干扰使管道受到强烈腐蚀，采用改良型接地排流后收到了满意的效果。
The electrical interference in the underground mine area gives rise to serious corrosion of pipelines and the improved ground discharge is satisfactorily effective.
矿区井下电铁干扰使管道受到强烈腐蚀，采用改良型接地排流后收到了满意的效果。
The electrical interference in the underground mine area gives rise to serious corrosion of pipelines and the improved ground discharge is satisfactorily effective.
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