Assist with maintenance and repair of display systems, scoreboards and message displays.
協(xié)助維護(hù)與維修達(dá)科顯示系統(tǒng) 、 記分牌和顯示屏.
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LED lighting was once relegated to basketball scoreboards, cellphone consoles, traffic lights and colored Christmas lights.
LED照明一度被貶到為籃球記分, 手機(jī)游戲機(jī), 交通燈和彩色圣誕裝飾燈.
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