容积效率 Traditional 容積效率 róng jī xiào lǜ 🔊 volumetric efficiency (engine technology) + Keep this word Meanings róng jī xiào lǜ 容積效率 volumetric efficiency (engine technology) Its characters 容róngto hold积jīto amass; to accumulate; to store upHSK 7–9效xiàoeffect率shuàito leadHSK 6