该机是平板型,高速,高性能两面缝的缝纫机,专门以包裤袋设计的机种,直针采用三根针加上绷针,底线采用双圈链锁线迹,线迹牢固,适合裤袋包边。
The machine of flat-bed, high speed, high performance sewing machine, is specially applied to attaching pocket facings. Double chain stitch produces durable seams by three needles and one interlock needle.