shíyàn / rényuán / xiān / jiāng / hùnhé / yè / guòlǜ / zài / shōují / lǜyè / jìnxíng / chéngfèn / fēnxī

实验人员先将混合液过滤，再收集滤液进行成分分析。

The laboratory staff first filtered the mixture and then collected the filtrate for compositional analysis.