锘?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 世界杯预选赛直播app-官网

世界杯预选赛直播app-官网

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YJLHBV

涓昏?瑙??硷?

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0.6/1kV??1.8/3kV

6/6kV锝?8.7/15kV

12/20kV锝?26/35kV

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10锝?630

25锝?630

50锝?630

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10锝?400

25锝?400

50锝?400

2????4????5??/span>

10锝?400

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16锝?400

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棰?瀹??靛??锛?

0.6/1kV锝?26/35kV

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GB/T31840-2015 棰?瀹??靛??1kV(Um=1.2kV)??/span>35kV(Um=40.5kV)?????????ゅ??缁?缂??靛???电?锛? GB/T 19666-2005 ?荤?????????电嚎?电?????

浜у??浠?缁?锛?

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