ultraviolet ray aging
紫外线老化
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The results showed for ultraviolet ray protection daiflon coating was the best, anti - aging film was better and the resin rich protective coating was the worst.
结果表明，聚三氟乙烯涂层对紫外线的防护效果最好，防老化薄膜次之，富树脂保护层最差。
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