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单词 compressed air
释义

WordReference Random House Unabridged Dictionary of American English © 2024
compressed air, 
  1. Physicsair compressed, esp. by mechanical means, to a pressure higher than the surrounding atmospheric pressure.
  • 1660–70

Collins Concise English Dictionary © HarperCollins Publishers::
compressed air n
  1. air at a higher pressure than atmospheric pressure: used esp as a source of power for machines
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