下降: descend; go or come down; dr ...进场: march into the arena approac ...着陆: landing; land; touch down示意图: diagrammatic sketch; abridge ...盘旋下降进场着陆: spiral approach穿云下降: come down through the overcast; descend through cloud; descend throught cloud; descent through cloud; letdown穿云下降飞行: let down仪表穿云下降: an instrument letdown进场着陆时的下降率: landing approach sink rate进行穿云下降程序: to execute a letdown procedure进场着陆: approach flight; approach land; landing approach operation; runway approach进场着陆法: method of approach进场着陆图: approach-piston; landing diagram盲目进场着陆，仪表进场着陆: ba blind approach场顶进场着陆: overhead approach单发进场着陆: single-engine approach单机进场着陆: individual approach计时进场着陆: time approach监控进场着陆: monitored approach进场着陆保障: approach and landing aids进场着陆波束: approach beam进场着陆程序: approach procdeure进场着陆方向: approach direction进场着陆练习: approach practice进场着陆时间: approach time
