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各位前辈请帮我分析一下这个波形:当复位开关管截止后,复位电容上的电流是怎样泄放掉的呢?请各位指点500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/37/1137246194.gif');}" onmousewheel="return imgzoom(this);">
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