By means of lots of lightning impulse tests, power frequency arc tests as well as bend loading tests, a kind of clamping post composite insulators with matching insulation hoods is developed.

通过大量的雷电冲击放电试验、工频电弧试验和弯曲负荷试验等试验研究，研制出了一种放电箝位柱式复合绝缘子和配套的绝缘罩。

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The observers did not see the paladin move, only the bright afterimage as the crystal sword traced a lightning-like arc through the fiend.

两个观察者都没有看清那个圣骑士的动作，只看到了水晶剑划出的穿透那个恶魔的闪电般的美丽弧线。

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Zeus casts Arc Lightning gets gutted by Nether Ward before he can even think about using his ultimate.

宙斯蒙上弧形闪电，能够由虚空区烧毁之前，他甚至可以考虑使用他的最终。

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