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 <title><![CDATA[请大侠帮我]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1441129.html]]></link>
 <description><![CDATA[Latest 50 replies of 请大侠帮我]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Tue, 19 May 2026 15:51:12 +0000]]></lastBuildDate>
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 <description><![CDATA[我想要装压力变送器，反馈给变频器0——20ma或0——10V的模拟量控制变频器输出频率才能做到恒压供水。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1441129#1503453.html]]></link>
 <author><![CDATA[最近一天希望]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 30 Oct 2013 15:25:54 +0000]]></pubdate>
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 <description><![CDATA[用单佛斯变频器可以用压力表能实现恒压供水。百度上有实例。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1441129#1503275.html]]></link>
 <author><![CDATA[hexdho]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 30 Oct 2013 08:29:38 +0000]]></pubdate>
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 <description><![CDATA[好像不可以，但我知道可以控制自动开.自动关。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1441129#1503244.html]]></link>
 <author><![CDATA[机电壹家]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 30 Oct 2013 07:37:58 +0000]]></pubdate>
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