基本解釋[經(jīng)濟(jì)學(xué)]低級(jí)滑翔機(jī)詞組短語短語secondary type glider [航]中級(jí)滑翔機(jī)secondary glider更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)低級(jí)滑翔機(jī)