string(343) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2020%E5%B9%B4%E7%9B%91%E7%90%86%E5%B7%A5%E7%A8%8B%E5%B8%88%E8%80%83%E8%AF%95%E6%B0%B4%E5%88%A9%E4%B8%93%E4%B8%9A%E7%9C%9F%E9%A2%98%E5%8F%8A%E7%AD%94%E6%A1%88%E8%AF%A6%E8%A7%A3 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
2020年监理工程师考试水利专业真题及答案详解
