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 <title><![CDATA[求助]]></title>
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 <description><![CDATA[Latest 50 replies of 求助]]></description>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[怎么也不说清楚了啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-28018#429918.html]]></link>
 <author><![CDATA[zhangshichao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 10 Feb 2009 13:22:20 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[买个开关电源不就得了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-28018#399414.html]]></link>
 <author><![CDATA[lichun518518]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 28 Dec 2008 02:25:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第2楼海子在1985于2008-12-27 19:58发表的 : 
负载电压170[/quote] 


是什么负载？要求直流输出多大电流？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-28018#399387.html]]></link>
 <author><![CDATA[星星雨]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 28 Dec 2008 01:36:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有条件就买一个开关电源，电路很简单，但要计算各元件的参数。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-28018#399365.html]]></link>
 <author><![CDATA[danielsue]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 28 Dec 2008 00:53:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[说明白点大家才能给你出主意 [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-28018#399327.html]]></link>
 <author><![CDATA[竹风凉]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 27 Dec 2008 22:15:39 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[要求具体点哦]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-28018#398915.html]]></link>
 <author><![CDATA[yangqhgkrjy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 27 Dec 2008 12:14:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[负载电压170]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-28018#398888.html]]></link>
 <author><![CDATA[海子在1985]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 27 Dec 2008 11:58:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有何要求呀!]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-28018#398884.html]]></link>
 <author><![CDATA[alent]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 27 Dec 2008 11:52:34 +0000]]></pubdate>
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