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 <title><![CDATA[变频电机和步进电机]]></title>
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 <description><![CDATA[Latest 50 replies of 变频电机和步进电机]]></description>
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 <description><![CDATA[步进电机适合做定位控制,变频电机适合做速度控制]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-135917#1206364.html]]></link>
 <author><![CDATA[baolizcy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 09 Feb 2012 00:55:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼上的几位讲的对，用处不一。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-135917#1202767.html]]></link>
 <author><![CDATA[thompson]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Feb 2012 11:37:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[，步进电机适合做定位控制，转速高则带负载能力显著下降。变频电机转速可以较高，适合做速度控制]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-135917#1202633.html]]></link>
 <author><![CDATA[wananjushi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Feb 2012 07:41:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[在价格上步进电机高于变频电机，步进电机用于精确定位，变频电机用于速度控制。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-135917#1202279.html]]></link>
 <author><![CDATA[sylgq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 31 Jan 2012 08:21:12 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用途不一样，步进电机适合做定位控制，转速不宜超过1k。变频电机转速可以较高，适合做速度控制。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-135917#1202233.html]]></link>
 <author><![CDATA[铭杰工控]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 31 Jan 2012 06:35:28 +0000]]></pubdate>
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