要是没有变压器来调节电压，远距离输送电力是不可能的。
Were there no transformers to adjust the voltage, long-distance transmission of electricity would be impossible?
要是没有变压器来调节电压，远距离输送电力是不可能的。
Were there no transformers to switch the voltage, long-distance transmission of electricity would be impossible?
该电路是指由一个电源，这就是为什么没有变压器，整流器，或者过滤器供电电容的示意图。
The circuit was meant to be powered by a power supply, which is why there is no transformer, rectifier, or filter capacitors on the schematic.
应用推荐