cathode-ray tube circuit

例句：

1. 1.The new electronic device uses a cathode-ray tube to display information.
   这款新型电子设备使用阴极射线管来显示信息。
2. 2.The technician carefully checked the cathode-ray tube circuit before repairing the machine.
   技术员在修理机器之前仔细检查了阴极射线管电路。
3. 3.The teacher explained the working principle of the cathode-ray tube circuit during the class.
   老师在课堂上解释了阴极射线管电路的工作原理。