Coolidge tube

例句：

1. 1. The coolidge tube is a popular choice for heating homes in cold weather.
   柯利奇管是寒冷天气中加热房屋的热门选择。
2. 2.The coolidge tube was developed to improve the efficiency of oil refining processes.
   柯利奇管是为了提高石油精炼过程的效率而开发的。
3. 3. The coolidge tube is commonly used in air conditioning systems as a way to distribute cool air.
   柯利奇管常用于空调系统中，作为一种分配冷气的方式。