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˜ÇÖ÷  °l(f¨¡)±íÓÚ: 2018-01-31 15:17
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john42tw
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×¢ƒÔ(c¨¨)•r(sh¨ª)ég: 2012-04-24
×îºóµÇä›: 2024-09-30
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1˜Ç  °l(f¨¡)±íÓÚ: 2018-02-01 11:51
P=¡Ì3 V*I*cos¦È
  =1.732 * 380 * 380/2 * 1
  =125050w
  ~125kw