互感器是供电系统中测量和保护用的设备。
正确
暂无解析
Theboycomplained_______apaininhisstomach.
Itisnousearguing_______theplanbecauseithasbeenrejected.
重型腹泻不同于轻型腹泻最主要的是()
Lookatthisgroupofpeople______beachvolleyball.
Thedoctorsare________abouttheguidelinesunderwhichtheycancarryouteuthanasia.