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 <title><![CDATA[求助]]></title>
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 <description><![CDATA[单电控电磁阀控制。说得通俗点，就是用单头电磁阀（也就是只有一个线圈）控制就行了。接线嘛，一条直接接阀线圈，另一条经过按钮再到阀线圈]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-105902#1046236.html]]></link>
 <author><![CDATA[暴风骤雨]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 19 May 2011 03:04:38 +0000]]></pubdate>
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 <description><![CDATA[电磁阀是必须的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-105902#1045854.html]]></link>
 <author><![CDATA[283276325]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 18 May 2011 13:15:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电磁阀用单电控二位三通电磁阀就可以实现一个按钮控制气缸的升降，因为单电控电磁阀在有电时工作，没电时就复位了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-105902#1045834.html]]></link>
 <author><![CDATA[客居他乡]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 18 May 2011 12:58:19 +0000]]></pubdate>
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