这个网站是一个提供超声波金属焊接机、超声波切割机和超声波切割刀等产品的厂家信息的网站。其中，.video-js 和 .vjs-fluid 是视频播放器的样式类，用于控制视频播放器的大小和布局。var version = 9, notSupportList = [{ name: "ie", version: version }], notSupportListFromName = ["/msie|trident/", "qqbrowserlite"], browserData = { reverse: true }, dogSrc = 1; browserData.notSupportList = notSupportList; if (!BrowserChecked(browserData).isSupport) { var xhr = new XMLHttpRequest(); xhr.open('GET', '/ajax/log_h.jsp?cmd=dog&dogId=200696&dogSrc=' + dogSrc, true); xh