string(330) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BB%BA%E7%AD%91%E5%B7%A5%E7%A8%8B%E6%8A%80%E6%9C%AF%E8%B4%9F%E8%B4%A3%E4%BA%BA%E7%9A%84%E4%B8%BB%E8%A6%81%E8%81%8C%E8%B4%A3%E6%9C%89%E5%93%AA%E4%BA%9B%E5%91%A2 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
建筑工程技术负责人的主要职责有哪些呢
