| 单词 | AC voltage |
| 释义 |
AC voltage
原声例句
人物档案 This is why today, the power delivered to consumers via power grids is AC, which sustains power over long distances using transformer substations, these reduce the AC voltage over a given distance. 这就是为什么今天通过电网向消费者提供的电力是交流电，它使用变电站来维持长距离供电，这会降低给定距离上的交流电压。
英语百科
Alternating current    Alternating current (AC), is an electric current in which the flow of electric charge periodically reverses direction, whereas in direct current (DC, also dc), the flow of electric charge is only in one direction. The abbreviations AC and DC are often used to mean simply alternating and direct, as when they modify current or voltage. |
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