flash film concentrator

例句：

1. 1. The flash film concentrator is used to concentrate the light from a flash lamp onto a target surface.
   闪光薄膜浓缩器用于将闪光灯发出的光聚焦到目标表面。
2. 2. The concentrator was designed to improve the efficiency of the process.
   浓缩器的设计旨在提高该过程的效率。
3. 3. The concentrator has a high concentration capacity and can be easily cleaned.
   浓缩器具有高浓度容量，且易于清洗。