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单词 pressure-vacuum valve
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pressure-vacu•um valve′  (preshər vakyo̅o̅ əm, -yo̅o̅m),USA pronunciation 
  1. Hydraulicsa valve for relieving a sealed tank of any pressure or vacuum exceeding acceptable limits.

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更新时间:2025/7/23 12:12:37