加大的操作空间，便于大件的缝制。自动剪线、倒缝、抬压脚、瞬间转换压脚交替量。配置的可调拉骨装置把复杂的拉骨工序变成简单的操作工序，而且品质更好。

The large operation space can sew large material conveniently .It's equipped with the function of auto trimming ,auto bartacking ,auto presser foot lifting and instantaneous transferring amount of presser foot .The matched adjustable piping device can make the complicated piping process to be easier and keep the quality better .