Humans are familiar with arcing, where two poles or points are electrified, carrying an electric current, and suddenly the air between them is filled with a minor lightning bolt - zap.
人类对电弧很熟悉------它是（这样形成的：）两个电极或两个点充上了电，携带着电流；突然，它们之间的空气充满了微小的，快速移动的电光。
The reinforcing structure is suitable for carrying out reinforcement when the intensity of the holding down bolt of the steel column is not enough.
本发明适用于对钢柱地脚螺栓强度不够时进行加固。
The reinforcing structure is suitable for carrying out reinforcement when the intensity of the holding down bolt of the steel column is not enough.
本发明适用于对钢柱地脚螺栓强度不够时进行加固。
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