备用环 bèi yòng huán

backup ring

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. backup ring

Characters

Character Meaning
备 bèi HSK 2
to prepare; get ready; to provide or equip
用 yòng HSK 3
to use; to employ; to have to
环 huán HSK 3
ring; to surround; to encircle