基本解釋[經(jīng)濟(jì)學(xué)]航天發(fā)動(dòng)機(jī)詞組短語(yǔ)短語(yǔ)airspace engine outer -space engine 航天發(fā)動(dòng)機(jī)outer-space engine更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)航天發(fā)動(dòng)機(jī)