iorns 中文意思是什麼
iorns
解釋
艾奧恩斯-
The effect on the number of negative iorns was studied by adding varied content of rare - earth with the same granularity and the varied granularity with the same content of rare - earth
研究了在相同細度下，不同稀土加入量及相同加入量下稀土細度的不同對空氣負離子數目的影響。
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