document.write('<a href="/art/2019/6/30/art_4160_686858.html" target="_self" title="兰州市雁儿湾污水处理厂提标改扩建BOT项目特许经营协议签约仪式成功举行">兰州市雁儿湾污水处理厂提标改扩建BOT项目特许经营协议签约仪式成功举行</a>');