我有一个48V电单车充电器想改成12V充电器,请问各位大师该怎能么改,我是菜鸟
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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/76/3241641239863475.gif');}" onmousewheel="return imgzoom(this);">