基本解釋[經(jīng)濟學]印刷機械英漢例句雙語例句A servo drive unit of hinge pull roll relates to machinery for printing industry.折頁牽引輥伺服驅動裝置，涉及印刷機械。ip.commachinery for printing industry更多例句專業(yè)釋義經(jīng)濟學印刷機械