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 <title><![CDATA[这种元件的工作原理？]]></title>
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 <description><![CDATA[Latest 50 replies of 这种元件的工作原理？]]></description>
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 <description><![CDATA[这是个真空发生器,其实它有三个气口,空气从气口1进从气口3排出,气口3是安装消声器的.气口2吸气.工作原理是利用喷管高速喷射压缩空气,在喷管出口形成射流,产生卷吸流动.在卷吸作用下,使得喷管出口周围的空气不断地被抽吸走,使吸附腔内的压力降至大气压以下,形成一定真空度.不明白就看附件.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#552720.html]]></link>
 <author><![CDATA[dl2006]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 17 Jun 2009 06:46:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[那就是一个气动的真空阀,一次侧接的是负压,控制侧接的是正压.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#549866.html]]></link>
 <author><![CDATA[chenpingyg]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 14 Jun 2009 08:05:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[发个图片出来看看啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#549226.html]]></link>
 <author><![CDATA[anddylihua]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 13 Jun 2009 14:10:01 +0000]]></pubdate>
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 <description><![CDATA[这种东西很多啊。真空发生器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#549154.html]]></link>
 <author><![CDATA[xf_chen]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 13 Jun 2009 13:27:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[真空发生器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#549146.html]]></link>
 <author><![CDATA[samtan80]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 13 Jun 2009 13:22:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[说清楚点配个图]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#493150.html]]></link>
 <author><![CDATA[枫林残阳]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 17 Apr 2009 16:58:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[过去有个象打气筒样的喷蚊子药的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#493077.html]]></link>
 <author><![CDATA[春思雨]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 17 Apr 2009 15:05:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[在这里写内容]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#493001.html]]></link>
 <author><![CDATA[wygkw1]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 17 Apr 2009 13:46:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[在这里写内容]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#493000.html]]></link>
 <author><![CDATA[wygkw1]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 17 Apr 2009 13:45:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[乌鸦工控论坛是使用量多、覆盖面广的工控免费中文论坛，也是国内知名的技术讨论站点，希望我们辛苦的努力可以为您带来很多方便。[url]http://www.ingfei.com.cn[/url]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#492997.html]]></link>
 <author><![CDATA[wygkw1]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 17 Apr 2009 13:44:51 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[在这里写内容]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#492995.html]]></link>
 <author><![CDATA[wygkw1]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 17 Apr 2009 13:43:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[ingfei.com.cn]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#492990.html]]></link>
 <author><![CDATA[wygkw1]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 17 Apr 2009 13:40:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[真空发生器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#492989.html]]></link>
 <author><![CDATA[huxupin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 17 Apr 2009 13:39:08 +0000]]></pubdate>
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 <description><![CDATA[这东西有消音器也很吵，而且很大。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#445686.html]]></link>
 <author><![CDATA[langman]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 02 Mar 2009 02:53:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[若是真空发生器的话,应该有消音装置.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#445568.html]]></link>
 <author><![CDATA[baoguang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 01 Mar 2009 18:15:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[第一次听说]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#444807.html]]></link>
 <author><![CDATA[刘向阳]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 28 Feb 2009 14:18:44 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习了！真空发生器 [s:21]&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#444739.html]]></link>
 <author><![CDATA[ckq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 28 Feb 2009 12:51:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是真空发生器
一定OK]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#444676.html]]></link>
 <author><![CDATA[luoluofeifei]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 28 Feb 2009 11:36:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[做个试验：拿个漏斗再拿个乒乓球，用嘴吹漏斗长嘴，再将球放到漏斗大头小口处，你会发现乒乓球没被吹走，反而被吸住了。这个漏斗就类似真空发生器，气流速度越快，气体压力越低，乃至真空。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#443832.html]]></link>
 <author><![CDATA[langman]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 27 Feb 2009 08:49:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我的电脑看不见你的图片[s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#443816.html]]></link>
 <author><![CDATA[liuht]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 27 Feb 2009 08:26:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[真空发生器，虹吸效应 [s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#443543.html]]></link>
 <author><![CDATA[jwm]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 27 Feb 2009 02:05:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[大约像个电磁阀大小的。它的工作原理是什么？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#443505.html]]></link>
 <author><![CDATA[再见理想]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 27 Feb 2009 01:18:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我觉得也是真空发生器
搭配吸嘴可以吸取一些小的平面光滑的比较轻的元件]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#443477.html]]></link>
 <author><![CDATA[sky_fly]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 27 Feb 2009 00:38:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[真空发生气]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31325#443469.html]]></link>
 <author><![CDATA[chenlf]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 27 Feb 2009 00:28:22 +0000]]></pubdate>
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