syscustom：
下面的irf540電路圖接法是不是有問(wèn)題,怎么老是上面導(dǎo)通不了呢,急急急![圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖，點(diǎn)擊可放大。\n按住CTRL，滾動(dòng)鼠標(biāo)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/60/2298701197360363.bmp');}"onmousewheel="returnimgzoom(this);">