备用中继线

英语翻译

back-up trunk; dead-level trunk line; reserve trunk

拓展翻译

备用中枢
reserve center

安装备用件
mounted spares

备用
preemergency; stand-by; stand-by application
stand by

备用泵
emergency pump; jury pump; reserv(ed) pump; stand-by pump

备用表
backing sheet

备用部件
spare unit

备用操作程序
operational stand-by program

备用承担额
standby commitment

备用程序
fallback procedure

备用储备
stand-by storage

备用储蓄器
auxiliary reservoir

备用处理机
spare processor

备用传动装置
reserve drive

备用磁道
spare track

备用存储单元
spare memory cell

备用存储器
shelf storage

备用大锚
sheet anchor

备用代码
alternate code

备用的
ready; spare
off-duty
stand-by

备用电池
standby battery