colorant feeder

例句：

1. 1. The colorant feeder is used to deliver the pigments to the paint.
   着色剂输送器用于将颜料输送到油漆中。
2. 2. The colorant feeder was designed to improve the quality of the paint.
   着色剂输送器被设计用来提高油漆的质量。
3. 3. The colorant feeder is a crucial component in the production of colored products.
   着色剂输送器是生产彩色产品的关键部件。