标签:mirrors
http://mirrors.yun-idc.com/centos/7/isos/x86_64/ yun-idc.com
https://mirrors.aliyun.com/centos/7/isos/x86_64/ 阿里云镜像库
镜像库地址
原文地址:http://xfwang.blog.51cto.com/1147025/1908318