基本解釋[經(jīng)濟(jì)學(xué)]袋熱合機(jī)詞組短語短語bag g heat -sealing machine 袋熱合機(jī)bag heat-sealing machine更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)袋熱合機(jī)