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YDA2-4a、6a型電網連接器 
產品型號：YDA2-4a、6a型 
      
該系列產品是城鄉電網改造中柱上真空自動配電開關的專用產品，可與日本東芝的同類產品互換。該型號系列產品的外殼采用銅合金制造


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