cailibao：
[圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖，點擊可放大。\n按住CTRL，滾動鼠標滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/44/1156422561.gif');}"onmousewheel="returnimgzoom(this);">我自想把交流220V變成直流220V,就做了個整流橋(如圖),但一給電源32A空氣開關就跳閘!郁悶中~~~請幫助我!!