spark-gap generator

例句：

1. 1. The spark-gap generator is used to generate high voltage pulses.
   火花间隙生成器用于产生高电压脉冲。
2. 2. The spark-gap generator was invented by a scientist named Dr. Smith.
   火花间隙生成器是由名叫史密斯的科学家发明的。
3. 3. The spark-gap generator is an essential tool for testing electronic circuits.
   火花间隙生成器是测试电子电路的必备工具。