Shanghai 400,000 street lamps there will be 80,000 needed reconstruction LED lamp
Date:2011-12-27 15:45
Clearly felt, was direct sunlight to the pavement by street lamps is very bright, very clearly, but the two street lamps between the road surface is very dark. If someone suddenly from the dark came out, I may be too late to brake. In order to prove this point, tongxin road is a small road, but normal street light Trek. This road although the light color of a softer, more uniform brightness of the road. Laoyao pointed to the ground between two street lamps says, I can see clearly, much more comf
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08/28 06:39