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单词 air brake
释义

WordReference Random House Learner's Dictionary of American English © 2024
ˈair ˌbrake, n. [countable]
  1. Mechanical Engineeringa brake operated by compressed air:a large truck with air brakes.

WordReference Random House Unabridged Dictionary of American English © 2024
air′ brake′, 
    1. Mechanical Engineeringa brake or system of brakes operated by compressed air.
    2. Aeronauticsa device for reducing the air speed of an aircraft by increasing its drag.
    3. Mechanical Engineeringa device for stopping the sails of a windmill by disrupting the flow of air around them.
    • 1870–75, American.

Collins Concise English Dictionary © HarperCollins Publishers::
air brake n
  1. a brake operated by compressed air, esp in heavy vehicles and trains
  2. Also called: dive brake an articulated flap or small parachute for reducing the speed of an aircraft
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更新时间：2024/11/11 8:21:32