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 <title><![CDATA[变频器通信]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1641328.html]]></link>
 <description><![CDATA[Latest 50 replies of 变频器通信]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Wed, 13 May 2026 21:13:50 +0000]]></lastBuildDate>
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 <url><![CDATA[images/rss.gif]]></url>
 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢各位同仁的解答]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1641328#1943324.html]]></link>
 <author><![CDATA[huiming]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 23 Dec 2017 01:16:20 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[四线和两线在传输速度上好像没区别吧？在传输距离上有区别。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1641328#1943322.html]]></link>
 <author><![CDATA[小雨点]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 23 Dec 2017 01:13:33 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[四线是422，两线是485.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1641328#1943319.html]]></link>
 <author><![CDATA[shi1021]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 23 Dec 2017 01:09:57 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[&nbsp;&nbsp;就是手机和对讲机的区别吧~~~~~~~~~~~~~~~~~~~~~~]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1641328#1943316.html]]></link>
 <author><![CDATA[17727920384]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 23 Dec 2017 00:59:34 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[是的，
4线相当于你和对方能同时一边说一边听
2线只能一你说他听，他说你听]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1641328#1943313.html]]></link>
 <author><![CDATA[tkggtdkjpl]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 23 Dec 2017 00:50:55 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[这就是全双功与半双功的区别]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1641328#1943312.html]]></link>
 <author><![CDATA[二手工控电器]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 23 Dec 2017 00:49:35 +0000]]></pubdate>
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