基本解釋[經(jīng)濟(jì)學(xué)]全封閉扇冷式電機(jī)詞組短語短語totally y enclosed fan -cooled machine 全封閉扇冷式電機(jī)totally enclosed fan-cooled machine更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)全封閉扇冷式電機(jī)