短語(yǔ)詞組短語(yǔ)B -channel Connect Control 通路連接控制b -channel connect control 信通連接控制specific B -channel identifier 規(guī)定的B通道標(biāo)識(shí)符B channel Bearer channel 承載信道Paging b Channel PCH 尋呼信道B channel sequence number BSN B 通道順序號(hào)Channel B B 頻道 返回 b channel