shí / yàn / rén / yuán / bǎ / hùn / hé / yè / fàng / jìn / lí / xīn / fēn / lí / jī / zhōng / jìn / xíng / fēn / lí实验人员把混合液放进离心分离机中进行分离。The lab workers put the mixture into a centrifuge for separation.