清管器行程指示器  pig passage indicator

飞行指示器  flight indicator

油动机行程指示器  servomotor position indicator

航向与航程指示器  course and distance indicator

主航程指示器  master distance indicator

表示器指示器  indicator

指示器指示符  indicator

指示器指示剂  indicator

飞行行程  path; Flight

飞行行程管  Tube; flight-path

高超声速巡航飞行器  hypersonic cruise vehicle; hypersonic cruise air vehicle; Hypersonic vehicle; hypersonic cruise aircraft

高超声速助推-巡航飞行器  boost-cruise vehicle

高超音速巡航飞行器  hypersonic cruise vehicle

区域航行飞行计划  RNAV flight plan

微行飞行器  assisted-global

未特的指飞行器事故  Unspecified aircraft accident injuring occupant

宇航飞行器  Spacecraft

宇宙飞行器航天器  Spacecraft; Space vehicle

齿条行程指示  rack travel indication