加大的操作空間，便于大件的縫制。自動剪線、倒縫、抬壓腳、瞬間轉換壓腳交替量。配置的可調拉骨裝置把復雜的拉骨工序變成簡單的操作工序，而且品質更好。

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 .