string(271) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%9B%91%E7%90%86%E5%B7%A5%E7%A8%8B%E5%B8%882020%E6%A1%88%E4%BE%8B%E5%9C%9F%E5%BB%BA%E7%9C%9F%E9%A2%98 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
监理工程师2020案例土建真题
