string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E5%BB%BA%E6%9C%BA%E7%94%B5%E8%80%83%E4%BB%80%E4%B9%88%E7%A7%91%E7%9B%AE%E5%8F%8A%E6%A0%BC => Failed to connect to 61.171.74.35 port 38041: Connection refused"
一建机电考什么科目及格
