长途干线业务长途业务的英文

• trunk line service

• 长途    long-distance
• 干线    groundline; trunk line; main ...
• 业务    vocational work; professiona ...
• 长途通信, 长途业务, 干线通信    trunk line service
• 长途业务    trunk service
• 长途业务记录    toll traffic ticketing system
• 长途业务类别    trunk class
• 国内长途业务    dld; national trunk traffic
• 自动长途业务    automatic trunk service
• 长途专线业务    toll lease service
• 长途干线段    trunk section
• 长途业务话务员    toll service operator
• 国际长途业务会议    international teletraffic congress; itc
• 长途干线路由    main title
• 干线业务    anl
• 长途干线载波信道    trunk line carrier channel
• 干线业务等级    trunk grade service
• 干线业务系统    tss trunk servicing system
• 长途电话业务    toll telephone service
• 长途通信业务    teletraffic; toll service
• 长途直拨业务    dds direct distance service; message toll service
• 长途半自动业务    toll semiautomatic service
• 长途直拨电话业务    direct distance service
• 长途自动通信业务    automatic long-distance service
• 卡车（专线业务）    truck-pls