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/59/1784391195352021.bmp');}" onmousewheel="return imgzoom(this);">逆变器里的蜂鸣器不响
大家好,我为逆变器加了个蜂鸣器,是12V的.推动管用9014.电压低时就应该响的.但这里,有时响有时不响,不知是什么问题.电路图推动管用的是3904.是不是我用9014推动不了的,请大家帮帮忙.....谢谢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/59/1784391195352021.bmp');}" onmousewheel="return imgzoom(this);">
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/59/1784391195352021.bmp');}" onmousewheel="return imgzoom(this);">