1) B/U Back-Up
备用,倒车(灯)
2) backup
[英]['bæk,ʌp] [美]['bæk,ʌp]
倒车，支持，备用品
3) reversing light bulb
倒车灯灯泡
4) reversing lamp
倒车灯
1.
Along with the luminous efficiency of white LED developing speedily, LED is being more and more used in reversing lamps for motor vehicle.
随着白光LED发光效率的迅速提高,LED被逐渐应用于汽车倒车灯中。
6) combined stop and reverse light
停车倒车组合灯
补充资料：备用
准备着供随时使用：～件ㄧ～物资ㄧ随身携带以作～。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条