single pulse dekatron

例句：

1. 1. The single pulse tube was used in the early days of radio technology.
   单脉冲管在早期无线电技术中被使用。
2. 2. The single pulse tube is still used in some old electronic devices.
   单脉冲管在一些旧的电子设备中仍然被使用。
3. 3. The single pulse tube has been replaced by more advanced electronic components.
   单脉冲管已被更先进的电子组件所取代。