backlayering        
backlayering
[die] 流，回流
back stream, reflow, return flow, backlayering, backflow, reverse flow, backwash

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[die] 流。逆流。逆潮流。倒流。
countercurrent, countermovement, backflow, reverse flow, backlayering
Backlayering
[das] （）倒灌。