string(278) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E5%B9%B4%E4%B8%80%E9%80%A0%E5%9C%9F%E5%BB%BA%E6%A1%88%E4%BE%8B%E7%9C%9F%E9%A2%98%E7%AC%AC%E4%B8%89%E9%A2%98 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
2021年一造土建案例真题第三题
