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1. INTRODUCTIONUnsteadyopenchannelflowswithrapidchangeofwaterleveloftenoccursinthemanmadechannelsandnaturalrivers.Thedambreakf?..
1. INTRODUCTION UNnsteadyopenchannelflowswithrapidchangeofwaterleveloftenoccursinthemanmadechannelsandnaturalrivers.Thedambreakf?