请输入您要查询的英文单词:

 

单词 fog signal
释义

Definition of fog signal in English:

fog signal

noun
  • A small explosive charge which can be placed on a railway line in fog to be set off by the train as a signal to the driver.

    Example sentencesExamples
    • Students were taught how to lay dummy charges and fog signals, then walk away and hide.
    • Semaphore flags and fog signals are methods of communication.
    • Beavertail has probably seen more types of fog signals than any other New England lighthouse station.
    • There was a special felt lined cupboard for storing the detonators for the fog signal charges.
    • These vessels, while constrained, are required to sound the same fog signal that would be sounded while underway.
    • The light has a nominal range of 22 miles and the fog signal a usual range of 2 miles.
    • The air fog signal was replaced by an electric omnidirectional signal controlled by a fog detector.
    • Two years later, the original fog signal was replaced by a one and a half story, wood-framed structure.
    • Construction began on the fog signal on July 1, 1890, and was completed on October 9 the same year.
    • Later various different fog signals were used until 1904 when a compressed air system replaced the old steam-operated signals.
    • The fog signal, a 12-inch steam whistle, was attached to the roof of the fog signal building.
    • When the automated fog signal was installed the south window was blocked with the fog sensor.
    • The original fog signal was a steam whistle, similar to the kind used in locomotives and ships.
    • In the 1820s a bell fog signal was apparently introduced at West Quoddy Head Lighthouse in Maine.
    • In the background is one of the two new electronic fog signals currently in use at Spring Point.
 
 
随便看

 

英语词典包含464360条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/1/27 14:21:09