countercurrent process的用法和樣例：
例句
- Dynamic simulation of multi-stage countercurrent is an important subject in the field of Chemical Dynamics.
多級逆流過程的動態模擬，是化工動態學領域中的一個重要課題。 - Heap leaching is a countercurrent process where the solid is in a stationary heap and the solvent percolates through the solid.
堆灘浸出是一種逆流過程，其中固體是一個固定堆，溶劑從其間穿流而過。
