格伦·沃尔德说，LED照明方案第一代存在的问题——整体亮度也有了大幅度的改善。
And Grunwald says overall luminosity - an issue with the first generation of LED lighting solutions - has also drastically improved.
格伦·沃尔德说，LED照明方案第一代存在的问题——整体亮度也有了大幅度的改善。
And Grunwald says overall luminosity - an issue with the first generation of LED lighting solutions - has also drastically improved.
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