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              BK系列單相變壓器
              BK系列單相變壓器

              BK系列單相變壓器

              產品分類:變壓器系列

              產品簡介:BK系列控制變壓器適用于50~60Hz的交流電路中,額定電壓500V及以下的各種機床和機械設備等-般電器的控制、照明燈電源及信號燈、指示燈電源。

              69精品一区二区三区无码吞精_亚洲国产精品无码成人_亚洲精品成a人在线观看_热久久伊人中文字幕无码

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