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 <description><![CDATA[写的一般啦]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40530#712561.html]]></link>
 <author><![CDATA[yf35]]></author>
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 <pubdate><![CDATA[Thu, 21 Jan 2010 00:47:13 +0000]]></pubdate>
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 <description><![CDATA[不错，谢谢分享！]]></description>
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 <author><![CDATA[lsgs01]]></author>
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 <pubdate><![CDATA[Wed, 20 Jan 2010 15:49:25 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢 学习]]></description>
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 <author><![CDATA[ming1028]]></author>
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 <pubdate><![CDATA[Sun, 12 Jul 2009 00:05:53 +0000]]></pubdate>
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 <description><![CDATA[请教一下,一个变频器可以两台以上的电机吗?]]></description>
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 <author><![CDATA[wuqhilips]]></author>
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 <pubdate><![CDATA[Sat, 11 Jul 2009 16:34:35 +0000]]></pubdate>
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 <description><![CDATA[看看到底是不是有用]]></description>
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 <author><![CDATA[胡磊]]></author>
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 <pubdate><![CDATA[Sat, 11 Jul 2009 14:47:46 +0000]]></pubdate>
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 <description><![CDATA[还隐藏，小样 [s:26]]]></description>
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 <author><![CDATA[游吟诗人]]></author>
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 <pubdate><![CDATA[Sat, 11 Jul 2009 09:02:05 +0000]]></pubdate>
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 <description><![CDATA[[s:28]&nbsp;&nbsp;[s:28] 啥技术这么稀奇？]]></description>
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 <pubdate><![CDATA[Thu, 09 Jul 2009 10:16:49 +0000]]></pubdate>
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 <description><![CDATA[看那看那]]></description>
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 <pubdate><![CDATA[Thu, 09 Jul 2009 00:33:29 +0000]]></pubdate>
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 <description><![CDATA[看看是什么]]></description>
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 <pubdate><![CDATA[Wed, 08 Jul 2009 07:53:39 +0000]]></pubdate>
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 <description><![CDATA[巧妙进行变频器的选择方法]]></description>
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 <author><![CDATA[子丑寅卯9]]></author>
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 <pubdate><![CDATA[Wed, 08 Jul 2009 05:19:07 +0000]]></pubdate>
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 <description><![CDATA[巧妙进行变频器的选择方法]]></description>
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 <pubdate><![CDATA[Tue, 07 Jul 2009 11:17:48 +0000]]></pubdate>
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 <description><![CDATA[巧妙进行变频器的选择方法]]></description>
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 <pubdate><![CDATA[Tue, 07 Jul 2009 08:25:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[巧妙进行变频器的选择方法 
通用变频器的选择包括变频器的型式选择和容量选择两个方面。其总的原则是首先保证可靠地实现工艺要求，再尽可能节省资金。 

　　根据控制功能可将通用变频器分为三种类型：普通功能型U/f控制变频器、具有转矩控制功能的高性能型U/f控制变频器（也称无跳闸变频器）和矢量控制高性能型变频器。变 ..]]></description>
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 <author><![CDATA[lq139588]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Tue, 07 Jul 2009 05:29:34 +0000]]></pubdate>
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 <pubdate><![CDATA[Tue, 07 Jul 2009 05:28:48 +0000]]></pubdate>
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