then what make you think slow moving e motor is more effiecient?
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送交者: 无知 于 2005-10-13, 16:54:15:
回答: Efficiency = Output Work(energy)/Input Work(energy) 由 HunHunSheng 于 2005-10-13, 16:43:53:
所有跟贴:
加跟贴
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