通过空气气压力开启关闭电源，确保用电安全；
Turn on/off the power by air pressure to ensure the electrical safety;
严格按操作要求使用仪器，本仪器采用单相三线插头，连接地线以确保用电安全。
Operation rules should be strictly followed. The instrument ADAPTS with a mono phase three pin plug, which connects to the earth for safety.
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.
现在如何提高电能质量，确保用电设备安全稳定运行，已成了国内外广泛关注的焦点。
Now how to improve power quality and ensure the safe and stable operation of electrical equipment have become the focus of widespread attention at home and abroad.
控制执行电气安全操作规程，确保电工操作符合操作规程，确保用电使用安全保护。
Controlling implementation of Electrical safety operation Regulation, ensuring the electricians' operation is in compliance with operation Regulation, and ensuring to use safety protection.
控制执行电气安全操作规程，确保电工操作符合操作规程，确保用电使用安全保护。
Controlling implementation of Electrical safety operation Regulation, ensuring the electricians' operation is in compliance with operation Regulation, and ensuring to use safety protection.
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