在线有码无码中文_中文字幕免费无码视频_国产在线精品免费电影_亚洲av高清在线观看一区二区 ,欧美性猛交XXX嘿人猛交_性欧美丰满熟妇XXXX性_ ,亚洲福利视频国产福利,亚洲黄色另类小说,完整版免费手机在线播放,欧美日韩春色另类小说

GCS Low-voltage switchgear   Low-voltage switchgear

This switchgear is suitable for power supply systems with AC 50 (60) Hz, rated working voltage and rated insulation voltage of 380 (400) V, 660 V and rated current of 5000 A and below in the three-phase five-wire system, and can be used in power plants, substations, industrial and mining enterprises, buildings and hotels, airports, docks and communication centres such as radio and television, for power generation, power transmission and distribution, power conversion and power consumption It can be used in power plants, substations, industrial and mining enterprises, buildings, hotels, airports, terminals and communication centres such as radio and television, for power generation, transmission and distribution, power conversion and power consumption control, and for reactive power compensation of the main bus through capacitor compensation cabinets.