相反的，电子设备内部的元件都被喷上了防水涂料以提供保护，使得设备没有使用阻碍并且能预防任何意外事故。

Instead, the electronic components inside the device are coated to provide protection, leaving the device unencumbered and always guarded against unexpected accidents.

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本文着重对工业供电系统电气设备的接地、接零及漏电保护的原理与安装方法等作了详尽的介绍，旨在确保用电安全，防止触电事故的发生。

This article goes into details on the principle and assemblage of earthing, zeroing and leakage prevention with the view of ensuring power supply safety and hindering electric shock accidents.

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在电力继电保护系统中，继电保护设备给出的异常状态信息报文通常可分为两类：事故信息报文和预告信息报文。

In the system of relay protection of electric power, abnormal state information given by relay protection devices has two types: accident information message and warning information message.

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