The ground connection of the light current system, mainly working grounding, aims to prevent electromagnetic noise and assures the equipment to work steadily and reliably.

弱电系统的接地以工作接地为主，目的是为了防止电磁干扰，保证弱电系统中设备稳定、可靠工作。

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When the grounding switch is located at the switching-on state, the trolley cannot be entered into the working position to prevent switching on the grounding switch.

接地开关处于合闸状态，手车不能推到工作位置，防止带接地开关合闸。

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According to related codes and standards the design method and some practice problems of grounding are discussed, combined with working principle of grounding of instrumentation and control system.

结合仪表及控制系统接地的工作原理，根据有关规范，讨论了接地工程的设计方法和一些实际问题。

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State officials are working with residents to watch for any environmental impact caused by the grounding.

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State officials are working with residents to watch out for any environmental damage from the grounding, he said.

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The grounding was a flashpoint in a long-term battle between Qantas and unions representing pilots and engineers working for the Australian domestic and international airline.

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