英语词汇“vacuum brake”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

vacuum brake

noun

A railway vehicle brake operated by changes in pressure in a continuous pipe which is generally kept exhausted of air by a pump and controls similar brakes throughout the train.It may be admitted that with the increase in speeds and loads, few railways now use the vacuum brake....

Johanns was thoroughly burnt but managed to stop the train by using a vacuum brake.
The manifold is sealed with a spin-welded end cap (which also serves as a mounting bracket for the vacuum brake booster).

单词	vacuum brake
释义	vacuum brake noun A railway vehicle brake operated by changes in pressure in a continuous pipe which is generally kept exhausted of air by a pump and controls similar brakes throughout the train.It may be admitted that with the increase in speeds and loads, few railways now use the vacuum brake.... Johanns was thoroughly burnt but managed to stop the train by using a vacuum brake. The manifold is sealed with a spin-welded end cap (which also serves as a mounting bracket for the vacuum brake booster).
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