999国内精品永久免费视频,99精品久久久中文字幕,无套内谢少妇毛片a片软件,国产商场偷窥女厕大屁股

News Center
Position:Home > News Center > DFE News
?DFE Won the Bidding of Power Distribution Master Station Project at Tiananmen Square in Beijing
Pubdate:2017-03-29
  |  
Article From:
Font size:
A+ A- A

Our company has won the bidding of reliability-improving projects at the important station of Beijing Urban Power-supply Company of the State Grid Corporation of China, namely transform and upgrade project for the power-distribution master station at Tiananmen Square in Beijing. This system is customized  to monitor the power distribution for important users, analyze the line loss and control the decorated lanterns at Tiananmen Square and nearby areas.

Beijing Tiananmen Square is the center of  important national political activities, and also a part of Class A+ power - supply region. It’s one of the key reliability –improving projects in the 13th Five Plans. By year 2020, the annual average power interruption time at Tiananmen Square shall be less than 5 minutes,  marking the leading level in the world. 

午夜天堂精品久久久久 | 久久69国产精品久久69软件| 九九视频免费精品视频| 欧美男男gaygay巨大粗长肥 | 亚洲午夜无码毛片av久久久久久| 国产草草影院ccyycom| 亚洲AV无码无在线观看| 国产精品国产免费无码专区蜜桃 | 久久亚洲国产成人精品无码区| 免费国产黄网站在线观看动图| 欧洲精品一卡2卡三卡4卡影视 | CAOPORN国产精品免费视频| 国产两女互慰高潮视频在线观看| 99热久久这里只精品国产www| 99精品视频在线观看免费| 猫咪www免费人成网站无码| 97se亚洲综合自在线| 俄罗斯丰满少妇bbwbbw| 亚洲精品无码久久| 99久久久无码国产精品6| 强奷漂亮少妇高潮A片| 日本熟妇50岁hd| おとまりせっくす中文在线| 精品亚洲av在线无码播放| 国产对白嫖老妇搡老太| 玩弄CHINESE丰满人妻VIDEOS| 精品露脸国产偷人在视频| 成人h视频在线观看| 亚洲综合欧美色五月俺也去| 熟女人妻一区二区三区免费看| 精品人妻中文无码av在线| 无码精品人妻一区二区三区人妻斩| 国产成人无码精品久久久免费| 国产成人影院一区二区三区| 99精品国产99久久久久久97| 色AV综合AV综合无码网站| 精品国精品国产自在久国产| 一区二区三区在线 | 网站| 青青河边草免费观看视频免费| 两个人做人爱视频免费| 人妻AⅤ无码一区二区三区|