该系列有三线、四线、五线、六线等机种； 该系列有窄边、包边、倒回缝、暗缝等等机型；

This series include various models like narrow side, over- edging, reverse sewing and blind sewing.

youdao

该系列有三线、四线、五线、六线等机种； 该系列有窄边、包边、倒回缝、暗缝等等机型；

This series include various models like narrow side, over- edging, reverse sewing and blind sewing.

youdao