document.write('<br><span style="font-size:15px">上一篇</span> <a href=/shtmlnewsfiles/ecomnews/521/2012/201292300183182818.shtml  target="_blank">冷库的原理和特点</a><br><span style="font-size:15px">下一篇</span> <a href=/shtmlnewsfiles/ecomnews/521/2012/201292919234742552.shtml  target="_blank">果汁冷库工程预算书</a>')