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This covers the design is a plan for the future of life, when we build new city, street lamps along the sewer can be designed so that it will be along the street lamp covers design, while the next street light bulb covers color LED bulbs can be replaced, through the design of the circuit, not being opened when the covers, the covers next to the street light in a normal state, when the manhole cover is being opened, the sliding covers the button circuit causes lights to change. At this point a dazzling red light street light irradiation in the well at reminding passers-avoidance.
设计者：袁方 指导老师：李奋强 Designer: Fang Yuan Instructor: Fenqiang Li