求翻译：文章首先对输电线路污闪原因进行分析，然后介绍输电线路污闪故障的危害性，最后提出防治输电线路污闪的有效措施是什么意思？

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Article first the power transmission lines sewage flash an analysis of the causes, and then introduce sewage transmission lines flash failure of the hazardous, and finally to combat power transmission lines sewage flash of effective measures

The article first dodges to the transmission line dirt the reason to carry on the analysis, then the introduction transmission line dirt dodges the breakdown hazardous nature, finally proposed the preventing and controlling transmission line dirt dodges effective action

Firstly, to analyze the pollution flashover of transmission line causes, and dangers of pollution flashover on transmission line fault and put forward effective measures to control pollution flashover of transmission lines

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