Insulator rupture has no effect on the tower component of the upper crossarm, but it has a significant influence on insulator tension of the upper crossarm.
导线的跌落对破坏档未破坏端的上横担绝缘子受力有较大的影响，而对上横担
塔杆件没有明显的影响；
Insulator rupture has no effect on the tower component of the upper crossarm, but it has a significant influence on insulator tension of the upper crossarm.
导线的跌落对破坏档未破坏端的上横担绝缘子受力有较大的影响，而对上横担塔杆件没有明显的影响；
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