oil displacement effi-ciency的用法和樣例：
例句
- DTC water clarifiers are featured by their high oil removing capacity.
同常規凈水劑相比，二硫代氨基甲酸鹽具有除油效率高的特點。 - Comparing with water flooding,the viscoelasticity of polymer flooding is favorable for improving the sweep efficiency of reservoirs,but it is limited to enhance oil recovery.
與注水工藝相比，聚合物所具有的粘彈性能提高驅油效率，但其對提高採收率的貢獻是有限的。
