国产大爆乳大爆乳在线播放_成人欧美一区二区三区黑人网_www片香蕉内射在线88av8_熟女少妇亚洲综合影色_男女后进式猛烈XX00动态图片_免费看美女扒开屁股露出奶_国产精品无码va在线播放_av激情亚洲男人的天堂国语_中文字幕人成乱码熟女免费69_国产免费网站看v片在线

 YBM22-12 High voltage/low voltage preassembled substation

Preassembled substation   

Suitable for 12kV, three-phase AC system with rated frequency 50Hz and capacity of 2500kVA or less in residential areas, commercial buildings, hotels, large construction sites, high-rise buildings, industrial and mining enterprises and temporary construction sites, suitable for ring-net power supply and also for radiating terminal power supply.