容积效率

volumetric efficiency (engine technology)

surname Rong

to hold / to contain / to allow / to tolerate / appearance / look / countenance

volume / capacity

to amass / to accumulate / to store / measured quantity (such as area of volume) / product (the result of multiplication) / to integrate (math.) / to solve (or integrate) an ordinary differential equation (math.) / old / long-standing

variant of 傚|效[xiao4]

variant of 效[xiao4] / to imitate

variant of 效[xiao4]

effect / efficacy / to imitate

to imitate (variant of 效[xiao4])

efficiency

rate / frequency

to lead / to command / rash / hasty / frank / straightforward / generally / usually