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zhao9615975
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樓主  發(fā)表于: 2010-01-25 10:44
伺服電機和步進(jìn)電機的區別是什么？
問(wèn)題補充：機電設備中有的地方用的伺
yanzhenhua67
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1樓  發(fā)表于: 2010-01-26 09:46
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