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单词 backwash
释义 backwash
[`bak´wäsh]
CHEMICAL ENGINEERING
1. In an ion-exchange resin system, an upward flow of water through a resin bed that cleans and reclassifies the resin particles after exhaustion.
2. See <<blowback>>
OCEANOGRAPHY
1. Water or waves thrown back by an obstruction such as a ship or breakwater.
2. The seaward return of water after a rush of waves onto the beach foreshore.
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