concentrator error control

例句：

1. 1. The concentrator is designed to remove impurities from the liquid.
   浓缩器被设计用来从液体中去除杂质。
2. 2.The concentration error control system is crucial for maintaining accurate measurements.
   浓度误差控制系统对于保持精确测量至关重要。
3. 3. The concentrator was used to concentrate the solution before it was analyzed.
   浓缩器被用于将溶液浓缩后进行分析。