hard-tube pulser

例句：

1. 1.The hard-tube pulser is used to generate high-frequency signals.
   硬管脉冲器用于产生高频信号。
2. 2. The hard-tube pulser was developed by a team of engineers.
   硬管脉冲器是由一支工程师团队开发的。
3. 3.The hard-tube pulser is an essential tool for testing electronic circuits.
   硬管脉冲器是测试电子电路的必备工具。