shí / yàn / rén / yuán / xiān / jiāng / róng / yè / lǜ / guò / zài / jìn / xíng / xià / yī / bù / jiǎn / cè

实验人员先将溶液滤过，再进行下一步检测。

The laboratory staff first filtered the solution before carrying out the next test.