防喘振 fáng chuǎn zhèn

DEFINITIONS

  1. anti-surge device (of compressors etc)

CHARACTERS

防 fáng
HSK 5
defend; prevent; embankment
喘 chuǎn
HSK 6
pant, gasp, breathe heavily
振 zhèn
HSK 5
raise, excite, arouse action