oil- and- water trap的用法和樣例：
例句
- Sludge dehydrator, concentrater, oil water separator, solid fluidsplitter and conveyor belt and so on.
污泥脫水機，濃縮機，油水分離機，固液分離機及輸送帶等。 - The application of downhole oil water separation technology is restricted by the complicated design system and rigorous requirements for candidate wells.
摘要井下油水分離技術(shù)選井條件苛刻，系統設計復雜，在應用過(guò)程中受到很大限制。
