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单词 alleviator
释义

WordReference Random House Unabridged Dictionary of American English © 2024
al•le•vi•a•tor  (ə lēvē ā′tər),USA pronunciation n. 
  1. a person or thing that alleviates.
  2. Mechanical Engineering(in a pipeline) an airtight box, having a free liquid surface, for cushioning the shock of water hammer.
  • alleviate + -or2 1805–15

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