The quality of violet tungsten oxide is studied and violet tungsten oxide is classified as well as a new kind of relative visual detecting method is put forward.
研究了紫钨的质量状况，将紫钨分类并提出了一种新的较为直观的检测方法。
The quality of violet tungsten oxide is studied and violet tungsten oxide is classified as well as a new kind of relative visual detecting method is put forward.
研究了紫钨的质量状况，将紫钨分类并提出了一种新的较为直观的检测方法。
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