drum level control的用法和樣例：
例句
- Automatic control system using water pressure, water level control to improve performance, increase reliability of work.
採用氣壓水位自動控制系統，改善水位控制性能，提高了工作可靠性。 - Proper consideration of both items will help the customer determine suitable sump pit dimensions and level control elevations.
正確考慮這兩個問題將有助於用戶確定適當的污水坑直徑和水位控制高度。
