【机械工程】燃料喷嘴的横断面区【机械工程】燃料喷雾嘴的断面积

cross-sectional

cross-sectional area

cross-sectional survey【统计】

physiological cross-sectional area【生理】

cross-sectional paracortical areas

cross-section profile【测】;cross-sectional view【机】

cross-sectional unit【统计】

cross-sectional area of fuel-metering orifice