其结果是造成了流动阻力的增加，直到反冲洗进行完毕。
As a result, the resistance to flow increases until a backwash is performed.
反冲洗过程是深层过滤的最后环节。
The anti - rinse prosses is the last step of deep bed filter.
粒状滤料过滤理论的主要内容是过滤机理、过滤方程式和反冲洗机理。
The main content of filtration theory of grainy filtering media consists of filtration mechanism, filtration equation and backwashing mechanism.
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