V2EX overhead line

Overhead Line

定义 Definition

Overhead line(架空线路)指架设在地面上方、由杆塔支撑的电力传输线或交通供电线(如电车、火车的接触网)。常见于电气工程和轨道交通领域。

发音 Pronunciation

/ovrhd lan/

例句 Examples

The city replaced the old overhead lines with underground cables to improve the streetscape.
该市将旧的架空线路替换为地下电缆,以改善街景。

Due to strong winds damaging the overhead lines, train services between London and Edinburgh were suspended for several hours, causing widespread delays for commuters.
由于强风损坏了架空线路,伦敦至爱丁堡之间的列车服务中断了数小时,给通勤者造成了大范围的延误。

词源 Etymology

Overheadover(在……之上)和 head(头顶)组合而成,最初意为"在头顶上方的",15世纪起用作副词和形容词。Line 源自拉丁语 linea(线、绳索),经古法语传入英语。两词组合成 overhead line,在19世纪电气化时代开始广泛使用,特指架设在空中用于输电或为电气化铁路供电的线缆系统。

相关词汇 Related ords

文学与文献引用 Literary References

  • 在铁路工程经典文献中,overhead line 是核心术语之一,例如 R.J. Hill 的 Electric Railway Traction 中详细讨论了架空接触网系统的设计与维护。
  • 英国铁路文学中,该词频繁出现于描述铁路电气化进程的作品中,如 Christian Wolmar 的 Fire and Steam: A New History of the Railways in Britain,书中记录了英国铁路从蒸汽到电气化(包括架空线路建设)的历史转变。
  • 在现代新闻和非虚构写作中,overhead line 常出现在关于城市基础设施改造的报道中,尤其是涉及"架空线入地"工程的讨论。
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