reversible flow

例句：

1. 1. The new design of the car is reversible flow, which makes it more efficient and practical.
   这款汽车的新设计是可逆流，这使得它更加高效和实用。
2. 2.In the process of production, the reversible flow of materials is very important.
   在生产过程中，物料的可逆流动非常重要。
3. 3.The reversible flow of water in the river can be used to measure the amount of pollutants in the water.
   河流中水的可逆流动可以用来测量水中污染物的量。