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单词 telegraph block
释义

Definition of telegraph block in English:

telegraph block

noun
  • A section of railway line with a signal at each end connected by telegraph (now historical and rare).

Origin

Mid 19th century.

 
 

Definition of telegraph block in US English:

telegraph block

noun
  • A section of railway line with a signal at each end connected by telegraph (now historical and rare).

Origin

Mid 19th century.

 
 
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更新时间:2024/11/10 16:32:38