| 单词 | 高电压 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔lightning arrester〕A protective device for electrical equipment that reduces excessive voltage resulting from lightning to a safe level by grounding the discharge.避雷器：一种电器保护装置，利用将电流引入地下的作法使闪电引起的高电压减少到安全的程度美国传统〔tesla coil〕An air-core transformer that is used as a source of high-frequency power, as for x-ray tubes.特斯拉线圈：一种用以产生高频高电压的空心变压器，如X-射线管美国传统〔third rail〕The rail that supplies the high voltage to power a train on an electric railway.第三轨道：提供高电压以供给电轨上的列车能量的轨道美国传统At high voltages, cables need to be properly insulated.高电压时，电缆需要妥善绝缘。剑桥国际If you want to use a piece of American electrical equipment in Britain, you may need to use a transformer to step up the voltage.如果你想在英国使用美国的电器设备，你可能要用变压器来提高电压。剑桥国际You need to protect your computer equipment from power surges.你需要保护自己的计算机设备，以免遭瞬间高电压损坏。牛津商务 |
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