document.getElementById('nextId').innerHTML='<p>下一篇：<a href=/news/question/20230110100935.html>废水处理方法主要有哪些？</a></p><p>上一篇：<a href=/news/question/20230110103209.html>贵港污水如何处理污水,才能使污水达到排放要求?</a></p>'