retention aids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醯胺逐漸過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助留輔助劑非常重要。
retention aids的相關資料：
臨近單詞
retentionist
retention
retention of subject matter
Retention Categories Summary
retention and drainage agent
retention-water properties
retention requiring purgtion
retention of fetal membranes
retention height of stumping
retention of phlegm and fluid
retention of sodium and water
retention and drainage system
