基本解釋[經(jīng)濟(jì)學(xué)]挖土機(jī)鏟斗詞組短語短語shovel l dipper 挖土機(jī)鏟斗shovel bucket shovel dipper 挖土機(jī)鏟斗dipper shovel 杓斗鏟;挖土機(jī)鏟斗shovel dipper更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)挖土機(jī)鏟斗