The results show that the sweep efficiency and displacement efficiency work different effects on different layers in the severely heterogeneous reservoir.
通过研究表明对于非均质严重的油藏，不同层段的波及效率和驱替效率所起的作用不同。
Even one cigarette slows down the cilia that work to sweep up the dirt and germs, and heavy smoking destroys them completely.
只消一根卷烟便可减缓将尘埃与细菌清扫出去的纤毛的作用，而过量抽烟则会将它们破坏殆尽。
We divided the work, he to clean the Windows and I to sweep the floor.
我们进行了分工，他擦窗户，我扫地。
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