基本解釋[經(jīng)濟(jì)學(xué)]集莖夾送裝置詞組短語(yǔ)短語(yǔ)light -gatheringdevice 聚光器gatheringdevice更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)集莖夾送裝置