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 <title><![CDATA[哪位高手做个液体固体界面检测]]></title>
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 <description><![CDATA[Latest 50 replies of 哪位高手做个液体固体界面检测]]></description>
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 <description><![CDATA[可以用超声波传感器检测。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-57210#738211.html]]></link>
 <author><![CDATA[gqm]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 09 Mar 2010 11:21:22 +0000]]></pubdate>
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 <description><![CDATA[没做过，但很多用超声波检测，二种介质的反射率不一样，返回的时间不一样]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-57210#738061.html]]></link>
 <author><![CDATA[e_newboy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 09 Mar 2010 07:46:44 +0000]]></pubdate>
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