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单词 colour light signalling
释义

Definition of colour light signalling in English:

colour light signalling

(US color light signaling)
noun
Railways
  • A system of signalling using colour light signals.

Origin

Early 20th century; earliest use found in Electric Railway Journal.

Definition of colour light signalling in US English:

colour light signalling

(US color light signaling)
noun
Railways
  • A system of signalling using colour light signals.

Origin

Early 20th century; earliest use found in Electric Railway Journal.

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更新时间:2025/8/5 1:09:05