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地铁安全地灯 / Subway security lights

地铁安全地灯

A setting in the subway door semicircle ground lamp, light radius decreases over time, when the door is closed the lights just disappear, not standing in the light within the scope of the passengers please wait for the next bus, otherwise easy to produce risk

Design

Zhejiang university ningbo institute of technology

Zhejiang university ningbo institute of technology
Ningbo, China