Cooper vane

短语

词形变化

Cooper vanes 复数 Cooper vanes

释义与例句

n.
  1. 1.

    A mechanical aerodynamic wedge that prevents the ventral airstair of an aircraft from being lowered during flight.

    航空 商务 工程

词源

After Dan Cooper, the false name used by an unidentified hijacker who used the rear stairway to exit a Boeing 727 in flight and escape using a parachute.

来源：wiktionary