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  1. Oxford Dictionary

    halogen lamp

    • n.
      a lamp using a filament surrounded by the vapour of iodine or another halogen

    • noun: halogen lamp, plural noun: halogen lamps

    • 釋義

    名詞

    • 1. a lamp using a filament surrounded by the vapour of iodine or another halogen halogen lamps are 25% more efficient than regular incandescent bulbs