- 1、(ofadam)aflood-reliefchannel;aspillway;afloodway;asluice;anoverfall2、FloodhasaffectedtheregionsforfloodwayandfloodretentioninthemiddleHuaiheRiverfrequently.3、floodway;high-flowdiversion:Naturalorman-madebypasschannelsorconduitsthatredirectfloodw...
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