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词汇 automatic brake
释义

Definition of automatic brake in English:

automatic brake

noun
Railways

  • A brake which operates automatically; especially one which automatically halts goods wagons or passenger carriages which have accidentally become detached from a moving train.

Origin

Mid 19th century; earliest use found in American Railway Times.

Definition of automatic brake in US English:

automatic brake

noun
Railways

  • A brake which operates automatically; especially one which automatically halts goods wagons or passenger carriages which have accidentally become detached from a moving train.

Origin

Mid 19th century; earliest use found in American Railway Times.
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