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单词 pneumatic trough
释义

Definition of pneumatic trough in English:

pneumatic trough

noun
Chemistry
  • A shallow liquid-filled container with which gases can be collected by displacing liquid from a jar inverted in the trough.

    Example sentencesExamples
    • The invention of the pneumatic trough, a device for collecting gases emanating from heated substances, by the English clergyman Stephen Hales in the early part of the century, was pivotal for bringing about this emphasis.
 
 
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更新时间:2024/12/23 15:21:19