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  1. plug gauge

    • n.
      a gauge in the form of a plug, used for measuring the diameter of a hole.
    • noun: plug gauge, plural noun: plug gauges

    • 更多解釋
    • IPA[pləɡ ɡāj]
    • n.
      a gauge in the form of a plug, used for measuring the diameter of a hole.

    Oxford American Dictionary