国产成人思思99思思久久最新精品_亚洲高清专区日韩精品_惠民福利国产高清在线精品二区app_久久亚洲国产精品视频_日韩人妻无码aⅴ专区_成人黄色一级片免费_三级黄片日韩欧美_永久免费看真人动漫网站_亚洲黄色电影 最新电影_国产一卡一卡二卡网站

  • Quality service wins customers, technological innovation leads the future

technical parameter

Common models

Three-phase three-wire system

*The duration of the standard model is 3s, which can be customized if longer duration is required.

Three-phase four-wire system

*The duration of the standard model is 3s, which can be customized if longer duration is required.