string(305) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2023%E7%9B%91%E7%90%86%E5%B7%A5%E7%A8%8B%E5%B8%88%E6%B0%B4%E5%88%A9%E6%A1%88%E4%BE%8B%E7%9C%9F%E9%A2%98%E9%9D%A0%E5%90%8E%E5%9B%9E%E5%BF%86 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
2023监理工程师水利案例真题靠后回忆
