single-thread sewing machine 单线缝纫机

Portable Thread Sewing Machine 轻便式锁线装订机

single thread sewing machine 单线缝纫机

thread book sewing machine 锁线订书机

semi-automatic thread book sewing machine 半自动锁线机

three-thread overlock stitch sewing machine 三线包缝机

machine sewing thread 车缝线

automatic thread book sewing machine 半自动锁线机 ; 半自动书本锁线机

Special-purpose thread of sewing machine 缝纫机专用螺纹