套结缝纫机
[词典] arbitrage rate; arbitrage rate of exchange; cross rate;
[例句]电脑套结机是一种用途广泛的特殊缝制设备，其主要功能是使缝纫线迹牢靠，其中的挑线机构和送料机构是电脑套结机的两个关键机构。
The computer knot machine is a special sewing equipment, picking thread mechanism and feeding mechanism is two key mechanism.