uv degradation
... 字(出现)频率：word frequency 紫外线退化：uv degradation 紫外线投影曝光：uv projection printing ...
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紫外线会破坏葡萄酒的味道与颜色。而阴暗环境能保护葡萄酒免受紫外线的侵害，避免酒质过早地退化。
U. V. Rays affect both taste and colour of the wine. Darkness protects wine from the aggressive U. V. Rays and thus avoids premature degradation of wine.
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