black-face picture tube

例句：

1. 1. The black-and-white picture tube is still popular in some areas.
   在某些地区，黑白电视管仍然很受欢迎。
2. 2. The color picture tube has become more and more popular in recent years.
   彩色电视管近年来越来越受欢迎。
3. 3.The black-and-white picture tube was replaced by the color picture tube.
   黑白电视管被彩色电视管取代了。