Определение cubic feet per minute в Английский Язык Английский Язык словарь
A measure of the volume of a substance flowing through air within a fixed period of time With regard to indoor air, refers to the amount of air, in cubic feet, that is exchanged with indoor air in a minute's time, i e , the air exchange rate
is a standard measurement of airflow that indicates how many cubic feet of air pass by a stationary point in one minute