superimposed filter是什么意思

用法例句

Experiments on the performance comparison between two kinds of discal filters;

两种叠片式过滤器的工艺性能比较试验

In the study we tried to evaluate treatment effeciency of papermaking wastewater discharge standard of the technique which combined laminated filter and UF with RO, on the basis of analyzing industry wastewater character.

在对工业废水水质特性进行分析的基础上,研究了叠片过滤器-UF与反渗透相组合工艺对达标排放的造纸废水的处理效果。