分享一个教学视频，讲压降和压力表读书的，有些点新人往往容易犯错，值得一看。 $("swf_BTN").innerHTML=AC_FL_RunContent("width", "550", "height", "400", "allowNetworking", "internal", "allowScriptAccess", "never", "src", encodeURI("http://player.youku.com/player.php/sid/XMjgzODk5NjMyNA==/v.swf"), "quality", "high", "bgcolor", "#ffffff", "wmode", "transparent", "allowfullscreen", "true");