名词电压，伏特数
1. 电压;伏特数
The voltage of an electrical current is its force measured in volts.
e.g. The systems are getting smaller and using lower voltages.
这些系统变得更小，使用的电压也更低。
e.g. ...high-voltage power lines.
高压电线
1. 电压;伏特数
The voltage of an electrical current is its force measured in volts.
e.g. The systems are getting smaller and using lower voltages.
这些系统变得更小，使用的电压也更低。
e.g. ...high-voltage power lines.
高压电线
