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ÒýÓõÚ4˜Çjohn42twÓÚ2018-02-01 11:51°l(f¨¡)±íµÄ  :
P=¡Ì3 V*I*cos¦È
  =1.732 * 380 * 380/2 * 1
  =125050w
  ~125kw

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1.732*380*220=144795.2W