气流阻力测定 meaning in English
determination of resistance to airflow
Examples
- Testing of filter sands for air - raid shelter ventilation - determination of flow resistance
防空洞通风用滤砂试验.气流阻力测定 - Acoustics ; materials for acoustical applications ; determination of airflow resistance iso 9053 : 1991 ; german version en 29053 : 1993
声学.声学应用材料.气流阻力测定