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 <title><![CDATA[请问高手，rs422口可以并吗？]]></title>
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 <description><![CDATA[Latest 50 replies of 请问高手，rs422口可以并吗？]]></description>
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 <description><![CDATA[怎么可以？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1383176#1298356.html]]></link>
 <author><![CDATA[johnlogic]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 02 Jul 2012 07:24:52 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[好像可以呢，不过站号要一样，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1383176#1298322.html]]></link>
 <author><![CDATA[yamqq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 02 Jul 2012 06:40:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[422全双工,485半双工]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1383176#1298083.html]]></link>
 <author><![CDATA[tkggtdkjpl]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 02 Jul 2012 00:36:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[只用过RS485多台并联，还从未见过RS422多台并联 [s:17]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1383176#1297146.html]]></link>
 <author><![CDATA[znz43]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 30 Jun 2012 02:51:56 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这样都行？那连3个4个都可以哦。建议看下书。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1383176#1297037.html]]></link>
 <author><![CDATA[peidegin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 30 Jun 2012 00:45:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[请问是这样联吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1383176#1296995.html]]></link>
 <author><![CDATA[linyi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 30 Jun 2012 00:13:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[当然可以！！通迅之基础知识！！！随便找本书就有事例！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1383176#1296980.html]]></link>
 <author><![CDATA[二手工控电器]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 29 Jun 2012 22:14:14 +0000]]></pubdate>
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