bicathode tube

例句：

1. 1. The bicathode tube is used in the production of X-rays.
   阴极管用于生产X射线。
2. 2. The bicathode tube is a crucial component in the electron microscope.
   阴极管是电子显微镜中的关键部件。
3. 3. The bicathode tube is used to detect radiation from radioactive materials.
   阴极管用于检测放射性材料的辐射。