variable ejector nozzle
/ˈveəɹɪəbəl ɪdʒˈɛktə ˈnɒzəl/
n
English · variable ejector nozzle中文 · 可变喷口Español · tobera de sección variableFrançais · tuyère à section variable
意味：Duct whose mouth widens as the plane climbs, thus enabling the engines to increase output.