主起落架
/ˈmeɪn ˈlandɪŋ ˈɡiə/
n
English: main landing gear · 主起落架
English · main landing gearEspañol · tren de aterrizaje principalFrançais · train d’atterrissage principal
释义：Retractable mechanism that enables the aircraft to land; it is located behind the aircraft’s center of gravity under its wings.