单词	堰塞堆积
释义	堰塞堆积 dam gradation
随便看	first stage building machine first stage certification first-stage cofferdam First Stage Conduct first-stage construction first-stage construction of YRDP firststagecure firststage cure first stage cure first-stage damage first stage extraction first-stage firing chamber First stage Fowler-Stephens technique first stage graphitization first stage hycrogenation distillation section first stage hydro-genation first stage hypertension First-Stage Ignition System first-stage installation first stage ionization First Stage Labor first stage Labour first stage mix first-stage nozzle assembly first stage of antibody antigen reaction