容积效率 róng jī xiào lǜ

DEFINITIONS

  1. volumetric efficiency (engine technology)

CHARACTERS

容 róng
HSK 3
looks, appearance; figure, form
积 jī
HSK 4
accumulate, store up, amass
效 xiào
HSK 4
result, effect; effectiveness
率 lǜ
HSK 5
to lead; ratio; rate; limit