With the oxygen increase in the roasting atmosphere, the product quality degrades because of oxidation.

随着焙烧气氛中氧含量的增加，焙烧产品将因氧化而导致质量逐渐变差。

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With the oxygen increase in the roasting atmosphere, the product quality degrades because of oxidation.

随着焙烧气氛中氧含量的增加，焙烧产品将因氧化而导致质量逐渐变差。

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