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 <title><![CDATA[如何让变频运行频率变更]]></title>
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 <description><![CDATA[Latest 50 replies of 如何让变频运行频率变更]]></description>
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 <description><![CDATA[说严格的,你这些话不明确]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-81659#919017.html]]></link>
 <author><![CDATA[yangfan]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 02 Dec 2010 07:13:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[顶一个]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-81659#918989.html]]></link>
 <author><![CDATA[fineqaws]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 02 Dec 2010 06:52:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[多段位控制]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-81659#918856.html]]></link>
 <author><![CDATA[feifeigg]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 02 Dec 2010 03:44:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[变频器都有7段可设置，你就多几个输出就好了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-81659#918795.html]]></link>
 <author><![CDATA[木獬]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 02 Dec 2010 02:29:00 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用多段速控制]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-81659#917929.html]]></link>
 <author><![CDATA[lgy1114]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Dec 2010 01:32:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-81659#917771.html]]></link>
 <author><![CDATA[云宵城主]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 30 Nov 2010 15:17:29 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用段速，PLC&nbsp;&nbsp;Y1输出50Hz ,Y2输出40Hz]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-81659#917604.html]]></link>
 <author><![CDATA[penzhenjian]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 30 Nov 2010 13:00:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不通讯能改参数吗？除非有第一最高速度和第二最高速度可选。不如用PLC模拟量控制吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-81659#883338.html]]></link>
 <author><![CDATA[sandy_love]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 14 Oct 2010 09:02:09 +0000]]></pubdate>
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