soft phototube

例句：

1. 1.The soft phototube is a popular choice for photography enthusiasts.
   软光管是摄影爱好者的热门选择。
2. 2. The soft phototube was used to enhance the image quality in this project.
   软光管被用于提升这个项目的图像质量。
3. 3.The soft phototube has become increasingly popular in recent years.
   软光管近年来越来越受欢迎。