基本解釋[經(jīng)濟學]挖土機鏟斗詞組短語短語shovel l dipper 挖土機鏟斗shovel bucket shovel dipper 挖土機鏟斗dipper shovel 杓斗鏟;挖土機鏟斗shovel dipper更多詞組專業(yè)釋義經(jīng)濟學挖土機鏟斗