The space charge layer formed during pointdischarge process is not enough to prevent the leader from marching, and can not prevent the forming of upward leader, either.
人工尖端放电形成的空间电荷层既不足以阻止先导的继续推进，也不能防止产生上行先导。
2
With high voltage, electrostatic electrostatic induction and pointdischarge, discharge the characteristics of the spark generated is easy to cause the explosion and fire accident.
静电具有高电压、静电感应及尖端放电的特点，放电产生的静电火花容易导致爆炸和火灾事故。
3
Valves for reducing point of discharge temperature by mixing cold and hot water in branch water lines are available.