谁有介绍可视对讲的ppt文件？谢谢！...

谁有介绍可视对讲的ppt文件？谢谢！请发到我得邮箱gaobox@163.com

到这个地址下载吧：
http://us.f1.yahoofs.com/users/fdd30a57/bc/%b9%a4%b3%cc%b7%bd%b0%b8/%a1%b0%d2%bb%bb%fa%cd%a8%a1%b1%d0%a1%c7%f8%c2%a5%d3%ee%bf%c9%ca%d3%b6%d4%bd%b2%cf%b5%cd%b3%c9%e8%bc%c6%b7%bd%b0%b8.doc?bcrfOp9AKxX35D2c