string(325) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E5%B9%B4%E4%BA%8C%E5%BB%BA%E6%9C%BA%E7%94%B5%E5%AE%9E%E5%8A%A1%E8%80%83%E8%AF%95%E6%9C%80%E6%96%B0%E6%B6%88%E6%81%AF%E8%AE%BA%E5%9D%9B%E7%AD%94%E6%A1%88 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
2021年二建机电实务考试最新消息论坛答案
