ATR tube

例句：

1. 1.The ATR tube is used to transmit radio waves in the atmosphere.
   ATR管用于在大气中传输无线电波。
2. 2.The ATR tube is a crucial component of the radar system.
   ATR管是雷达系统的关键组成部分。
3. 3. The ATR tube is designed to withstand high temperatures and pressures.
   ATR管设计用来承受高温和高压。