- Thelargeandsquaredairinletshavediamond-shapedinserts.Thewastewaterandpollutantquantityinletsintoriverwereanalyzedgenerally.Thereareinletsandoutletsonallthemajorreservoirs,distributorcanals,aseriesofverysophisticatedwatercontroldevices.Everynewfloodre...
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