The post - arc characteristic is related to the shape and structure of fulgurite tightly.

熔断器的弧后特性与熔断器的残躯形状和结构有着密切的关系.

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Because the post - arc fulgurite current is very small, it is required that measurement equipments have sensitivity.

由于弧后残躯电流的数值一般都比较小, 所以对测量所用的试验设备就有一定的要求.

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