laboratory filter

例句：

1. 1.This laboratory filter is designed to remove impurities from the water.
   这个实验室过滤器设计用来去除水中的杂质。
2. 2. The scientist used a laboratory filter to test the sample for accuracy.
   科学家使用一个实验室过滤器来测试样本的准确性。
3. 3.The lab filter was crucial in preventing contamination during the experiment.
   实验室过滤器在实验中防止了污染的关键作用。