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本機采用雙線單直針刺料、針桿挑線、彎針勾線的工作原理，形成雙線鏈式線跡，并能根據縫紉要求調節線跡長度和線跡松緊。縫紉線跡整齊、美觀、牢固。廣泛應用于牛皮手套、針織手套、防割手套、高檔羊皮手套等貼皮縫制工藝。

This machine adopts single straight needle stitch, needle bar thread take-up and looper thread catching to produce double chain stitch, and it can be adjusted according to different stitch length and tightness. The stitch is neat, beautiful and firm. It is suitable for sewing leather gloves,knitting gloves, safety gloves, luxury cape gloves