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这个是传说中的多级过压保护、尖峰脉冲吸收滤除杂波电路吗?<br><img src="attachments/dvbbs/2006-3/2006320433577292.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-3/2006320433577292.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><br>类似这个:<br><a href="http://www.jcdq.net/cpfl/showbigimg.asp?id=4449" target="_blank" >http://www.jcdq.net/cpfl/showbigimg.asp?id=4449</A>
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