中等电话通信业务的英文

• medium telephone message traffic

• 中等    secondary
• 电话通信    telephone communication
• 业务    vocational work; professiona ...
• 电话通信业务    telephone message traffic; voice communication service
• 保密电话通信业务    secure voice service
• 公众无线电话通信业务    radio public correspondence service
• 轻负荷量电话通信业务    light telephone message service
• 电话通信    speech communication; telephone communication
• 通信业务    communication service; communications service; signal service
• 通信业务量    communications traffic; message volume; traffic
• 通信业务密    density of traffic
• 通信业务台    traffic statistic station
• 通信业务网    traffic network
• 保密电话通信    secure voice communications
• 电话通信电路    telephone message circuit
• 电话通信系统    telephone organization
• 电话通信装置    telephone communication units
• 电视电话通信    videotelephone communication
• 会议电话通信    conference communication
• 双向电话通信    two-way voice communication
• 无线电话通信    radio telephone communication; radiotelephone communication; wireless telephonic communication
• 通信业务拥挤, 通信业务繁忙    heavy traffic
• 安全通信业务    secure traffic
• 长途通信业务    teletraffic; toll service
• 传真通信业务    fax service