string(292) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%88%9D%E7%BA%A7%E6%B6%88%E9%98%B2%E4%B8%AD%E6%8E%A7%E5%AE%9E%E6%93%8D%E8%80%83%E8%AF%95%E9%A2%98%E5%BA%93%E7%AD%94%E6%A1%88 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
初级消防中控实操考试题库答案
