通过气压操作的制动器(减速装置)。
可展开以增加阻力而不影响升力的可动控制面(不同于扰流板)；提供气动制动的装置。；空气制动器；减速板
通过气压操作的制动器(减速装置)。
A brake (slowing device) that is operated pneumatically (by air pressure).
可展开以增加阻力而不影响升力的可动控制面(不同于扰流板)；提供气动制动的装置。
A movable control surface that extends to increase drag without affecting lift (unlike a spoiler); a device that provides aerodynamic braking.
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