按需拨号的英文

dod dial on demand

• 按:    press; push down
• 需:    need; want; requir ...
• 拨号:    dial; dialing; sel ...

例句与用法

1. When working as a router , routing and remote access service supports both local ( lan - to - lan ) routing and remote ( demand - dial ) routing
   当作为路由器使用时，路由和远程访问服务既支持本地（局域网到局域网）路由又支持远程（按需拨号）路由。