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straightedge

['streɪtedʒ] ['streɪtˌedʒ]
英英词典释义
  • Noun
    1. hand tool consisting of a flat rigid rectangular bar (metal or wood) that can be used to draw straight lines (or test their straightness)
行业词典
  • 机械: 平尺;又称“直尺”。检测直线度或平面度用作基准的量尺。;