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单词 locking frame
释义

Definition of locking frame in English:

locking frame

noun
Railways
  • That part of a lever frame containing the mechanism which interlocks the levers for controlling different signals and points, ensuring that they can only be operated in a prescribed sequence.

Origin

Mid 19th century.

Definition of locking frame in US English:

locking frame

noun
Railways
  • That part of a lever frame containing the mechanism which interlocks the levers for controlling different signals and points, ensuring that they can only be operated in a prescribed sequence.

Origin

Mid 19th century.

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更新时间:2024/12/27 14:02:48