求助：这是啥器件呢？
<p><img src="attachments/dvbbs/2007-07/1184567752707204.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/2007-07/1184567752707204.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><br /></p><p> 手上有一个板子，有一个这样的器件，不知这个是啥？啥型号？</p><p> 谢谢大家。</p>
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