圆珠形离子交换剂 (圓珠形離子交換劑) yuánzhū xíng lízǐi jiāohuàn jì

yuánzhū xíng lízǐi jiāohuàn jì set phrase bead-type ion exchanger
Domain: Modern Chinese 现代汉语
Notes: (CC-CEDICT '圓珠形離子交換劑')