- 备用品 bèiyòngpǐn spares; reservesitems kept in reserve for future use; spare parts; supplies
- 备用二级头呼吸器 bèiyòng'èrjítóuhūxīqì octopus(scuba diving) a backup regulator or secondary air source used for emergencies
- 备用环 bèiyònghuán backup ringa mechanical ring used as a spare or to provide extra support for a seal
- 备用车胎 bèiyòngchētāi spare tirea spare tire kept in a motor vehicle for use in case of a puncture or blowout
- 备用轮胎 bèiyònglúntāi spare tirespare tire for a vehicle
