string(298) "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%E7%BA%A7%E9%80%A0%E4%BB%B7%E6%8A%80%E6%9C%AF%E4%B8%8E%E8%AE%A1%E9%87%8F%E7%9C%9F%E9%A2%98%E7%AD%94%E6%A1%88 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
2021年一级造价技术与计量真题答案
