... voltage of microphonic effect 颤噪电压 voltage operated device 压控装置 voltage-operated variable capacitor 压控可变电容器 ...
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This paper introduces the parameter selection, installation, grounding mode of low-voltage power grid and construction method of residual current operated protective device.
文中详细论述了剩余电流动作保护装置的参数选用，安装要求，低压电网接地方式及安装施工要求等。
The device USES DC current to heat the resistive heating element, and is operated at relatively low voltage levels and low current levels.
该装置使用DC电流来加热电阻加热元件，并且以相对低的电压水平和低的电流水平操作。
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