1. Electric shock from electric arc equipment. 电弧设备产生的电击；
2. To take away the refining part of the steel making cycle off an electric arc furnace, which is discussed elsewhere, is an excellent start. 把炼钢周期中的精炼阶段从电弧炉中移走（这个问题将在别处加以讨论），是一个良好的开端。回复引用。
3. New controlling technology make better performance of starting arc, it can choose the most comfortable electric arc by adjusting the electric arc force knob. 新的控制技术使引弧性能更好，可通过电弧力旋钮调节电弧的柔和性，选择您最舒服的电弧。
英英解释
n.
1. electrical conduction through a gas in an applied electric field
