collimator set造句

例句与造句

1. Some manufacturers of small arms sights also make models with the optical collimator set at a finite distance.
2. Some manufacturers modify the focus of the LED / optical collimator combination, making models with the optical collimator set to focus the dot at a finite distance.
3. It's difficult to find collimator set in a sentence. 用collimator set造句挺难的