单词 | vacuum brake |
释义 | Example sentences from the Web for vacuum brake
vacuum brakenouna brake system, used on British and many overseas railways, in which the brake is held off by a vacuum on one side of the brake-operating cylinder. If the vacuum is destroyed by controlled leakage of air or a disruptive emergency, the brake is applied. It is now largely superseded by the Westinghouse brake system Words nearby vacuum brakevacutome, vacuum, vacuum activity, vacuum aspiration, vacuum bottle, vacuum brake, vacuum casting, vacuum cleaner, vacuum coffee maker, vacuum concrete, vacuum distillation Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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