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![Traffic light - Wikipedia, the free encyclopedia](https://www.iarticlesnet.com/pub/img/site/s_41.jpeg)
Traffic light - Wikipedia, the free encyclopedia
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日期:2024-07-08
Traffic lights, also known as traffic signals, traffic lamps, signal lights, stop lights and robots,[1] and also known technically as traffic control signals[2] are signalling devices positioned at road intersections, pedestrian crossings and other locati...看更多