( air brakes)
Air brakes are brakes which are used on heavy vehicles such as buses and trains and which are operated by means of compressed air.
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( air brakes)
Air brakes are brakes which are used on heavy vehicles such as buses and trains and which are operated by means of compressed air.
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Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006