document.write('<br><span style="font-size:15px">上一篇</span> <a href=/shtmlnewsfiles/ecomnews/618/2013/201320400382486113.shtml  target="_blank">采用R134a作为制冷剂的“无氟”电冰箱</a><br><span style="font-size:15px">下一篇</span> <a href=/shtmlnewsfiles/ecomnews/618/2013/201320510451011121.shtml  target="_blank">制冷系统正常运行的条件与标志</a>')