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jhdaisf
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樓主  發(fā)表于: 2008-06-10 20:08
為什么有些電機用變頻器的時(shí)候就一定要自學(xué)習，而有些就不用？
daizhi
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1樓  發(fā)表于: 2008-06-11 09:59
矢量控制的需要電機自學(xué)習!

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