防止紫外线，保护眼睛及脸部，经过滤后的所有紫外光辐射符合规定的最大允许紫外辐射水平。
It Prevent ultraviolet ray, protect eyes and face, pass through sieve posterior all ultraviolet light radiate accord with stipulation the most big permit ultraviolet radiation level.
防止紫外线，保护眼睛及脸部，经过滤后的所有紫外光辐射符合规定的最大允许紫外辐射水平。
It Prevent ultraviolet ray, protect eyes and face, pass through sieve posterior all ultraviolet light radiate accord with stipulation the most big permit ultraviolet radiation level.
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