document.write('<br><span style="font-size:15px">上一篇</span> <a href=/shtmlnewsfiles/ecomnews/467/2012/201283121041678753.shtml  target="_blank">家用中央空调有哪些优点?</a><br><span style="font-size:15px">下一篇</span> <a href=/shtmlnewsfiles/ecomnews/467/2012/20128312137685065.shtml  target="_blank">螺杆式制冷机组的保养和维护</a>')