无码人妻精品一区二区蜜桃网站_国产精品高潮呻吟久久AV_人妻少妇精品久久_午夜福利理论片在线观看播放
Chongqing noon news broadcast our project - "tunnel equipped with color changing lights, the pu

time:2017-07-31 11:58:00 browse:4689次


Written report:
Source: Chongqing morning news time: Monday, November 23, 2015


Washington (reporter Liu Min) G50, Shanghai and Chongqing Expressway, Tieshan Ping tunnel and Huashan tunnel recently replaced "chameleon" LED lights, the public driving through the tunnel will be more secure.


"Chameleon" LED lamp light color can be adjusted by the remote control system, the spring and autumn light adjustable for warm white light; summer is white in winter; the light is light yellow light, reduce tunnel lighting and light outside the tunnel contrast, passing vehicles safety guarantee. At the same time, haze days can also be adjusted to yellow light, anti haze function.


The "chameleon" LED lights were put into the eling tunnel in Yuzhong District, Jiulongpo chenjiaping tunnels etc..


top
无码人妻精品一区二区蜜桃网站_国产精品高潮呻吟久久AV_人妻少妇精品久久_午夜福利理论片在线观看播放