基本解釋[經(jīng)濟(jì)學(xué)]甜菜挖掘機(jī)詞組短語短語sugar -beet lifter detail 甜菜挖掘機(jī)sugar-beet lifter更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)甜菜挖掘機(jī)