词汇	反铲斗
释义	反铲斗 back-hoe bucket
随便看	backward reasoning backward reasoning, backward chained reasoning backward-recall signal backward recall signall backward recovery backward recovery time Backward recursion backward recursive backward recursive probability backward recycling backward reference backward referencing Backward refinement backward region backward regions backward register signal backward reister signal backward relations backward repositioning backward resistance backward resorption backward reversal backward rising backward robot problemsolving system backward robot problem solving system