It clings to the steel twist thread to lift as well as plays an important role in the key procedure.
它不仅要卡紧钢绞线来提升重物，而且，在实现连续提升的关键步骤的过程中也起了很重要的作用。
Atomatic thread trimmer, reverse-feed and presser foot lift.
采用自动剪线、倒缝、拨线提升压脚功能。
Atomatic thread trimmer, reverse-feed and presser foot lift.
采用自动剪线、倒缝、拨线提升压脚功能。
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