cold-cathode canalray tube

例句：

1. 1. The cold-cathode tube is a crucial component in the production of X-rays.
   冷阴极管是生产X射线的关键部件。
2. 2.The cold-cathode tube was developed by scientists to improve the quality of medical imaging.
   冷阴极管是由科学家开发出来的，以改善医疗成像的质量。
3. 3.In the field of electronics, cold-cathode tubes are used to produce high-frequency signals.
   在电子领域，冷阴极管被用来产生高频信号。