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×¢ƒÔ•rég: 2007-08-09
×îºóµÇä›: 2021-11-22
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˜ÇÖ÷  °l(f¨¡)±íÓÚ: 2008-04-28 10:43
׃îlÆ÷ÕfÃ÷•øÖÐHPÊÇʲô†Îλ
jay73
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×¢ƒÔ•rég: 2007-09-03
×îºóµÇä›: 2024-04-23
²é¿´jay73µÄ Ö÷î} / »ØÙN
1˜Ç  °l(f¨¡)±íÓÚ: 2008-04-28 17:03
늄әCµÄñRÁ¦=HP
Óй«Ê½¿ÉÑ­µÄ
  ÒÔÈýÏàËã·¨HP=(kw*1000)/(volt*pf*1.73)
      volt=늉º
    pf=¹¦ÂÊÒò”µ(sh¨´)¼s80%
ÆäðN߀ÓÐkw,ampµÄËã·¨    Ï»ط֕Ô