短語(yǔ)詞組短語(yǔ)general communication channels 正常通信管道Multiple Communication Channels 提供多種溝通渠道Keep Communication Channels Open 保持暢通的溝通管道Innumerable Communication Channels 無(wú)數(shù)溝通渠道And Bidirectional Communication Channels 和雙向通信信道Expanding Communication Channels 拓展宣傳渠道duplex communication channels 立雙向信道Logical Communication Channels 邏輯通信通道limited communication channels 通信信道受限 返回 communication channels