document.write('<br><span style="font-size:15px">上一篇</span> <a href=/shtmlnewsfiles/ecomnews/624/2012/201290521002058624.shtml  target="_blank">防锈铝的特性与用途</a><br><span style="font-size:15px">下一篇</span> <a href=/shtmlnewsfiles/ecomnews/624/2012/201290521092311553.shtml  target="_blank">不锈钢与不锈铁的区别</a>')