“电压”造句
电流滞后于
电压.
The current lags behind the voltage.
如果输入的
电压是+3伏, 那么输出的
电压便是-6伏.
If the input voltage is plus three , it comes out as minus six.
我们用以表示
电压和电流的单位分别为伏特和安培。
The units in which we show voltage and current are volt and ampere respectively.