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²é¿´—î¹ÙÈAµÄ Ö÷î} / »ØÙN
˜ÇÖ÷  °l±íÓÚ: 2018-01-31 15:17
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john42tw
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²é¿´john42twµÄ Ö÷î} / »ØÙN
1˜Ç  °l±íÓÚ: 2018-02-01 11:51
P=¡Ì3 V*I*cos¦È
  =1.732 * 380 * 380/2 * 1
  =125050w
  ~125kw

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