Being a type of new low-voltage safe apparatus, the residual current device (RCD) is used to avoid the electric shock and the fire accident.
漏电保护器是一种新型低压安全保护电器，它是低压电器中防止人身触电和漏电火灾的保护类电器。
In addition, the effect of the reverse circulation in a bayonet tube type waste heat boiler on the safe operation of the apparatus is also discussed.
此外，本文还从工质流动特性上讨论了刺刀管式废热锅炉发生逆循环对于设备安全运行的影响。
The over-load protection technology is an indispensable constituent of the low-voltage apparatus intellectualization, ensuring the electric motor and the distribution line safe operation.
过载保护技术是低压电器智能化技术的重要组成部分，是保证电动机、配电线路安全运行的重要技术。
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