colour purity adjustment

例句：

1. 1. The colour purity of the paint was perfect for the job.
   油漆的颜色纯度非常适合这项工作。
2. 2. During the colour purity adjustment, we need to ensure that the colours match perfectly.
   在颜色纯度调整期间，我们需要确保颜色完美匹配。
3. 3. The manufacturer had to make a colour purity adjustment to meet the new standards.
   制造商不得不进行颜色纯度调整以满足新的标准。