短語詞組短語bucket wheel dredger 斗輪挖泥船bucket t dredger 鏈斗式挖泥船;多斗挖掘船bucket elevator dredger 鏈斗式挖泥機bucket chain dredger 多斗挖掘船;鏈斗式挖泥機;鏈斗挖泥船bucket ladder dredger 鏈斗挖泥船斗式采泥器;鏈斗式挖泥船wheel and bucket ditch dredger 輪斗式挖掘機multi -bucket ladder dredger 多斗梯式挖泥船bucket chain dredger ladder dredger 鏈斗式挖泥機grab bucket dredger 抓斗式挖泥船 返回 bucket dredger