中文字幕日韩在线_亚洲精品a在线观看_亚洲人成无码网站_国产一区二区在线免费观看/国产超碰人人模人人爽人人添/久久精品www人人爽人人,欧美性受XXXX黑人XYX性爽|高清欧美性猛交XXXX黑人猛交|欧美高清性XXXXHDVIDEOSEX|欧美裸体XXXX极品少妇|欧美性猛交XXXX乱大交3|性XXXX欧美老妇胖老太性多毛|欧美精品VIDEOSEX极品|欧美MV日韩MV国产网站 ,成年人免费在线视频观看_免费人成动漫在线播放r18_永久免费人成在线直播_又长又大又粗又硬3p免费视频_成人动漫日本一区二区三区_久久精品这里只有精99品_最新在线精品国自av_欧美精品免费专区在线观看 ,无码国产精品一区二区免费模式_久久九九精品国产综合喷水_无码人妻久久一区二区三区蜜桃_免费无码无遮挡裸体视频在线观看

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..