[网络连接] 批处理怎样循环打开关闭网页？

@echo off
:begin
rasdial 宽带连接 (用户名) (密码)
ping -n 3 127.1>nul
start iexplore.exe www.163.com
ping -n 3 127.1>nul
start iexplore.exe www.baidu.com
ping -n 3 127.1>nul
taskkill /f /im iexplore.exe 1>nul 2>nul
ping -n 3 127.1>nul
rasdial (用户名) /disconnect
ping -n 3 127.1>nul
goto :begin
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