常见例句双语例句This is implemented using a screening router and a bastion host. ● Screened subnet—an isolated subnet is situated between the Internet and the private network.这是实施使用筛选路由器和一 个堡垒主机。●屏蔽子网，一个孤立的子网之间是互联网和私人网络。 返回 screening router