filter pore size

例句：

1. 1.The filter pore size of the filter is 0.2 microns.
   过滤器的孔径为0.2微米。
2. 2.The filter pore size is critical for the filtration process.
   过滤器孔径对于过滤过程至关重要。
3. 3. The filter pore size affects the efficiency of the filtration process.
   过滤器孔径影响过滤过程的效率。