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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[一般自整定先，然后微调，PID什么意思可以问度娘]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470007#1612030.html]]></link>
 <author><![CDATA[fubin739]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 21 Oct 2014 05:27:19 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21] 路过,学习了.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470007#1611761.html]]></link>
 <author><![CDATA[电工小安子]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 20 Oct 2014 09:33:44 +0000]]></pubdate>
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 <description><![CDATA[看对应仪表的说明，不通用的，
意思是：比例，积分；微分]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470007#1611531.html]]></link>
 <author><![CDATA[guochunyi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 19 Oct 2014 23:23:01 +0000]]></pubdate>
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