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1. Oxford Dictionary

   vacuum gauge

   • n.
     a gauge for testing pressure after the production of a vacuum.

   • noun: vacuum gauge, plural noun: vacuum gauges

2. • 更多解釋

   vacuum gauge

   • IPA[ˈvakˌyo͞o(ə)m ɡāj]

   • n.
     a gauge for testing pressure after the production of a vacuum.

   Oxford American Dictionary