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本文提出用直读光谱仪夹具法测定小试样（如小圆钢、钢线等）的杂质元素含量。该方法简便、快速、准确。
In this paper, the content of impurity elements in small sample (such as small round steel, steel wire, etc.) is determined by the direct reading spectrometer fixture method. The method is simple, fast and accurate.