document.getElementById('nextId').innerHTML='<p>下一篇：<a href=/news/question/20230112043221.html>如何降低污泥压滤机设备运营成本？</a></p><p>上一篇：<a href=/news/question/20230113051746.html>农村生活污水如何回用？应该注意什么？</a></p>'