ISDN的2B+D接口中,D通路的速率为()A、64KB/S B、16/KB/S C 发布时间:2019-09-23 18:48 │ 来源:www.tikuol.com 题型:单项选择题 问题: ISDN的2B+D接口中,D通路的速率为()A、64KB/SB、16/KB/SC、144KB/S
题型:单项选择题 ( )our general agent,you would also have to look after the advertising.A.Being B.For C.As D.To be 查看答案