LED energy saving lights and then break
fecha:2010-11-24 17:08
reflects light, resulting in uneven illumination, illumination lamps are under high places away from the light illumination is low. Easy road lighting uneven impact on motorists, leading to traffic hazards. The LED lights, the use of large projection angle, a serious light scattering, transmission is weak and difficult to achieve long-range radiation, the installation of restricted height.
Optical General Manager Liu Zhe One can sum up the current LED lamps Germany faces several major technica
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