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 <title><![CDATA[请教三位五通中间封闭式电磁阀的工作过程图]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1444391.html]]></link>
 <description><![CDATA[Latest 50 replies of 请教三位五通中间封闭式电磁阀的工作过程图]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[url]http://www.ymmfa.com/read.php?tid=1442450&amp;page=2#1519099[/url]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1444391#1522555.html]]></link>
 <author><![CDATA[ymr78419972]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 14 Dec 2013 15:52:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[三位五通，2个口进汽缸A B，1个口气源P，还2个口排气的T。电磁铁没通电的时候气源P,A和B分别封闭，电磁铁A通电，A---P B---T。电磁铁B通电B---P A----T。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1444391#1522523.html]]></link>
 <author><![CDATA[理论初学者]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 14 Dec 2013 14:16:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[就是O型阀啊，有保压的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1444391#1522494.html]]></link>
 <author><![CDATA[htlonglong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 14 Dec 2013 13:26:06 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[类似一个双联开关，就多了两个排气孔，你可以这么理解。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1444391#1522090.html]]></link>
 <author><![CDATA[杨康]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 13 Dec 2013 13:26:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[三位五通&nbsp;&nbsp;P 进气&nbsp;&nbsp; A出气 B出气&nbsp;&nbsp;O排气]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1444391#1522019.html]]></link>
 <author><![CDATA[和谐共赢]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 13 Dec 2013 09:48:43 +0000]]></pubdate>
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