reverse flow

基本解释

Export pump with check valve, it will immediately turn off to prevent reverse flow back high-pressure water pump.
水泵出口装有逆止阀时，它会立即关闭，防止高压水反向流回水泵。
aofeng.blog.china.com
But not thinking about the reverse flow of products could mean missing important opportunities for guiding your company through tough times.
然而，在艰难时期如果不去考虑产品的逆向流动可能会意味着失去一个指导公司发展的重要机会。
Recently Atkinson cycle has been used to describe a modified Otto cycle engine in which the intake valve is held open longer than normal to allow a reverse flow of intake air into the intake manifold.
最近阿特金森循环被用来形容一个修改奥托循环发动机在进气门举行开放时间比正常的容许摄入量空气进入进气歧管反向流动。
diycnc.org

And you would reverse the flow, because people who are here would return home.
NPR: Tancredo on the Presidency, and Immigration
Whereas rich-world companies, such as Lafarge and Saint-Gobain, are investing in developing countries to increase sales of their cement and building products, Cemex is showing that the same thing can flow in reverse.
ECONOMIST: A new breed of multinational company has emerged
It helps correct biochemical imbalances in the body by reverse-actuating the ionic flow in my bloodstream.
NEWYORKER: Raj, Bohemian

倒流
流向变换
In this area, the reverse flow catalytic combustion technique is a unique solution.
在这一方面,周期性改变流向的非定态催化燃烧技术——流向变换催化燃烧技术具有独特的优势。
经济学
回流

流向变换
In this area, the reverse flow catalytic combustion technique is a unique solution.
在这一方面,周期性改变流向的非定态催化燃烧技术——流向变换催化燃烧技术具有独特的优势。
医药科学
逆流