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 <title><![CDATA[请教]]></title>
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 <description><![CDATA[Latest 50 replies of 请教]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <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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 <title><![CDATA[]]></title>
 <description><![CDATA[顶2楼]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106019#1047660.html]]></link>
 <author><![CDATA[0838dc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 20 May 2011 13:59:53 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[你说的具体点咯，是什么物件呀，说的不明不白，大家怎么知道呢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106019#1046965.html]]></link>
 <author><![CDATA[hua966]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 20 May 2011 01:32:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[输出的控制电压+9V&nbsp;&nbsp;0V&nbsp;&nbsp;-9V.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106019#1046951.html]]></link>
 <author><![CDATA[xubaolin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 20 May 2011 01:18:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[要看具体负载是什么。假如是伺服阀，对应+，-9v阀芯就有两个方向动作。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106019#1046949.html]]></link>
 <author><![CDATA[yyhexf]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 20 May 2011 01:18:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这个要看你这是什么东东？如是电源如2楼所说。楼主写的是控制电压，，那可能就是9V电压不分正负极都可以接吧， [s:39]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106019#1046944.html]]></link>
 <author><![CDATA[xiejun8103]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 20 May 2011 01:09:33 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[就是双电压。输出为+9V&nbsp;&nbsp;&nbsp;&nbsp;0V&nbsp;&nbsp; -9V&nbsp;&nbsp;。其中+9V对0V有9V电压，-9V对0V有9V电压。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106019#1046938.html]]></link>
 <author><![CDATA[雪花飘飘]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 20 May 2011 00:55:55 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[信号电压]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106019#1046937.html]]></link>
 <author><![CDATA[luzhenchao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 20 May 2011 00:55:12 +0000]]></pubdate>
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