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 <title><![CDATA[电机转速问题？]]></title>
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 <description><![CDATA[Latest 50 replies of 电机转速问题？]]></description>
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 <description><![CDATA[[s:26]&nbsp;&nbsp;[s:26]&nbsp;&nbsp;[s:26]&nbsp;&nbsp;[s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48429#684625.html]]></link>
 <author><![CDATA[menger8w]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 06 Dec 2009 14:03:36 +0000]]></pubdate>
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 <description><![CDATA[对头，顶一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48429#679036.html]]></link>
 <author><![CDATA[黄猛]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 29 Nov 2009 01:57:44 +0000]]></pubdate>
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 <description><![CDATA[大家还是很细心的嘛！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48429#678720.html]]></link>
 <author><![CDATA[fengyuhai]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 28 Nov 2009 11:50:00 +0000]]></pubdate>
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 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48429#677955.html]]></link>
 <author><![CDATA[keke120]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 27 Nov 2009 12:07:25 +0000]]></pubdate>
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 <description><![CDATA[我们所说的电机转速50HZ乘60S除以P后减转差率，P为极对数，2极电机P为1，4极电机P为2，类推……]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48429#654932.html]]></link>
 <author><![CDATA[021-39977024]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 25 Oct 2009 04:44:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[看来大家都在学三菱啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48429#653681.html]]></link>
 <author><![CDATA[core2008]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 23 Oct 2009 08:07:49 +0000]]></pubdate>
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 <description><![CDATA[呵呵
一楼说的正确加分]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48429#653678.html]]></link>
 <author><![CDATA[hehaiwaer]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 23 Oct 2009 08:02:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼上答案正确。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48429#653631.html]]></link>
 <author><![CDATA[thawless]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 23 Oct 2009 06:41:00 +0000]]></pubdate>
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 <description><![CDATA[个人浅见：
楼主看到这个公式里的分母那个P，和我们书上那个P不是一个P
楼主看到的这个P是极数P
书上的P是极对数P
刚好是2倍的关系，这样也就一致了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48429#653605.html]]></link>
 <author><![CDATA[qinshengyue]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 23 Oct 2009 06:15:31 +0000]]></pubdate>
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