microparticulate retention aid的用法和樣例：
例句
- The retention system has also shifted from single polyacrylamide to microparticle reten-tion systems.
常用助留劑已從單一聚丙烯酰胺逐漸過(guò)渡到微粒和超微粒系統。 - The results show that the suitable selection of retention agent and its cofactor was very important.
結果認為選用適當的助留劑和改進(jìn)助留輔助劑非常重要。
