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  1. leveling screw

    • IPA[ˈlev(ə)liNG skro͞o]
    • n.
      a screw for adjusting part of a machine or instrument to a precise level.
    • noun: levelling screw, plural noun: levelling screws

    • 相關詞
    • n.
      a graduated pole with a movable marker, held upright and used with a surveying instrument to ...

    Oxford American Dictionary