Through the statistics of defect and fault condition of insulator in recent six years, the defect of insulator and its cause of occurence are analysed, and the feasible preventive is put forwarded.是什么意思_Through the statistics of defect and fault condition of insulator in recent six years, the defect of insulator and its cause of occurence are analysed, and the feasible preventive is put forwarded.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句