Using the high voltage between the two electrodes to breakdown of gas layer, thus generating an electric arc ignition devices.
利用高电压来击穿其两电极之间的气体绝缘层，从而产生电弧的一种电火花点火设备。
2
The key problem of mismatch control and manufacture of symmetric arc-shaped gears is perfectly solved by using suitable cutter tilt and new generating method.
A mathematical model of fume diffusion in welding process was founded by considering welding arc as a spot source of generating fume and supplying the turbulent diffusion theory.